16615656104 has 32 divisors (see below), whose sum is σ = 32960584800. Its totient is φ = 7830607680.

The previous prime is 16615656097. The next prime is 16615656107. The reversal of 16615656104 is 40165651661.

It is not an unprimeable number, because it can be changed into a prime (16615656107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247502 + ... + 307389.

It is an arithmetic number, because the mean of its divisors is an integer number (1030018275).

Almost surely, 2^16615656104 is an apocalyptic number.

It is an amenable number.

16615656104 is a deficient number, since it is larger than the sum of its proper divisors (16344928696).

16615656104 is a wasteful number, since it uses less digits than its factorization.

16615656104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555113 (or 555109 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 16615656104 in words is "sixteen billion, six hundred fifteen million, six hundred fifty-six thousand, one hundred four".