16640410264 has 16 divisors (see below), whose sum is σ = 31293358200. Its totient is φ = 8295514752.

The previous prime is 16640410261. The next prime is 16640410309. The reversal of 16640410264 is 46201404661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16640410261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3083434 + ... + 3088825.

Almost surely, 2^16640410264 is an apocalyptic number.

It is an amenable number.

16640410264 is a deficient number, since it is larger than the sum of its proper divisors (14652947936).

16640410264 is a wasteful number, since it uses less digits than its factorization.

16640410264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172602 (or 6172598 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 16640410264 in words is "sixteen billion, six hundred forty million, four hundred ten thousand, two hundred sixty-four".