15616116016 has 20 divisors (see below), whose sum is σ = 30682371024. Its totient is φ = 7698084800.

The previous prime is 15616116001. The next prime is 15616116029. The reversal of 15616116016 is 61061161651.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6872155 + ... + 6874426.

Almost surely, 2^15616116016 is an apocalyptic number.

15616116016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15616116016 is a deficient number, since it is larger than the sum of its proper divisors (15066255008).

15616116016 is a wasteful number, since it uses less digits than its factorization.

15616116016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13746660 (or 13746654 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 34.

Adding to 15616116016 its reverse (61061161651), we get a palindrome (76677277667).

The spelling of 15616116016 in words is "fifteen billion, six hundred sixteen million, one hundred sixteen thousand, sixteen".