16161614928 has 60 divisors (see below), whose sum is σ = 47610613440. Its totient is φ = 5103667008.

The previous prime is 16161614923. The next prime is 16161614977. The reversal of 16161614928 is 82941616161.

16161614928 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 1 + 614 + 9 + 28 = 666.

It is a super-2 number, since 2×16161614928² (a number of 21 digits) contains 22 as substring.

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 (16161614921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2950776 + ... + 2956247.

It is an arithmetic number, because the mean of its divisors is an integer number (793510224).

Almost surely, 2^16161614928 is an apocalyptic number.

16161614928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16161614928 is an abundant number, since it is smaller than the sum of its proper divisors (31448998512).

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

16161614928 is a wasteful number, since it uses less digits than its factorization.

16161614928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907056 (or 5907047 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The spelling of 16161614928 in words is "sixteen billion, one hundred sixty-one million, six hundred fourteen thousand, nine hundred twenty-eight".