162616428 has 72 divisors (see below), whose sum is σ = 452157888. Its totient is φ = 48964608.

The previous prime is 162616403. The next prime is 162616429. The reversal of 162616428 is 824616261.

162616428 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 1 + 642 + 8 = 666.

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 = 162616392 and 162616401.

It is not an unprimeable number, because it can be changed into a prime (162616429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18300 + ... + 25692.

Almost surely, 2^162616428 is an apocalyptic number.

162616428 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 162616428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226078944).

162616428 is an abundant number, since it is smaller than the sum of its proper divisors (289541460).

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

162616428 is a wasteful number, since it uses less digits than its factorization.

162616428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463 (or 7458 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 162616428 is about 12752.1146481672. The cubic root of 162616428 is about 545.8267372795.

The spelling of 162616428 in words is "one hundred sixty-two million, six hundred sixteen thousand, four hundred twenty-eight".