16565516332 has 12 divisors (see below), whose sum is σ = 29141433216. Its totient is φ = 8239392560.

The previous prime is 16565516299. The next prime is 16565516353. The reversal of 16565516332 is 23361556561.

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, 10840543 + ... + 10842070.

It is an arithmetic number, because the mean of its divisors is an integer number (2428452768).

Almost surely, 2^16565516332 is an apocalyptic number.

It is an amenable number.

16565516332 is a deficient number, since it is larger than the sum of its proper divisors (12575916884).

16565516332 is a wasteful number, since it uses less digits than its factorization.

16565516332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21682808 (or 21682806 counting only the distinct ones).

The product of its digits is 486000, while the sum is 43.

The spelling of 16565516332 in words is "sixteen billion, five hundred sixty-five million, five hundred sixteen thousand, three hundred thirty-two".