1162615428 has 72 divisors (see below), whose sum is σ = 3188174808. Its totient is φ = 355097088.

The previous prime is 1162615417. The next prime is 1162615439. The reversal of 1162615428 is 8245162611.

It is a happy number.

1162615428 is a `hidden beast` number, since 1 + 1 + 626 + 1 + 5 + 4 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (1162615417) and next prime (1162615439).

It can be written as a sum of positive squares in 4 ways, for example, as 44515584 + 1118099844 = 6672^2 + 33438^2 .

It is a super-3 number, since 3×1162615428³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1162615392 and 1162615401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55050 + ... + 73182.

Almost surely, 2^1162615428 is an apocalyptic number.

1162615428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162615428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1594087404).

1162615428 is an abundant number, since it is smaller than the sum of its proper divisors (2025559380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1162615428 is a wasteful number, since it uses less digits than its factorization.

1162615428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18293 (or 18288 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 1162615428 is about 34097.1469187673. The cubic root of 1162615428 is about 1051.5066588101.

The spelling of 1162615428 in words is "one billion, one hundred sixty-two million, six hundred fifteen thousand, four hundred twenty-eight".