1162661364 has 60 divisors (see below), whose sum is σ = 3081125124. Its totient is φ = 382237056.

The previous prime is 1162661351. The next prime is 1162661369. The reversal of 1162661364 is 4631662611.

It is a happy number.

1162661364 is a `hidden beast` number, since 1 + 16 + 26 + 613 + 6 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 681210000 + 481451364 = 26100^2 + 21942^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162661369) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 927 + ... + 48230.

Almost surely, 2^1162661364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1162661364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540562562).

1162661364 is an abundant number, since it is smaller than the sum of its proper divisors (1918463760).

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

1162661364 is a wasteful number, since it uses less digits than its factorization.

1162661364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49246 (or 49235 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1162661364 is about 34097.8205168600. The cubic root of 1162661364 is about 1051.5205072913.

The spelling of 1162661364 in words is "one billion, one hundred sixty-two million, six hundred sixty-one thousand, three hundred sixty-four".