16640602312 has 16 divisors (see below), whose sum is σ = 31209289200. Its totient is φ = 8318125200.

The previous prime is 16640602301. The next prime is 16640602331. The reversal of 16640602312 is 21320604661.

It is a super-2 number, since 2×16640602312² (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, 239262 + ... + 300877.

It is an arithmetic number, because the mean of its divisors is an integer number (1950580575).

Almost surely, 2^16640602312 is an apocalyptic number.

It is an amenable number.

16640602312 is a deficient number, since it is larger than the sum of its proper divisors (14568686888).

16640602312 is a wasteful number, since it uses less digits than its factorization.

16640602312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543996 (or 543992 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 16640602312 in words is "sixteen billion, six hundred forty million, six hundred two thousand, three hundred twelve".