16915497608 has 16 divisors (see below), whose sum is σ = 32098686480. Its totient is φ = 8355847888.

The previous prime is 16915497589. The next prime is 16915497623. The reversal of 16915497608 is 80679451961.

It is a super-2 number, since 2×16915497608² (a number of 21 digits) contains 22 as substring.

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, 12736910 + ... + 12738237.

It is an arithmetic number, because the mean of its divisors is an integer number (2006167905).

Almost surely, 2^16915497608 is an apocalyptic number.

It is an amenable number.

16915497608 is a deficient number, since it is larger than the sum of its proper divisors (15183188872).

16915497608 is a wasteful number, since it uses less digits than its factorization.

16915497608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25475236 (or 25475232 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 56.

The spelling of 16915497608 in words is "sixteen billion, nine hundred fifteen million, four hundred ninety-seven thousand, six hundred eight".