16640314356 has 24 divisors (see below), whose sum is σ = 38834000800. Its totient is φ = 5545828512.

The previous prime is 16640314333. The next prime is 16640314381. The reversal of 16640314356 is 65341304661.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42406 + ... + 187293.

Almost surely, 2^16640314356 is an apocalyptic number.

It is an amenable number.

16640314356 is an abundant number, since it is smaller than the sum of its proper divisors (22193686444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16640314356 is a wasteful number, since it uses less digits than its factorization.

16640314356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235743 (or 235741 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 16640314356 in words is "sixteen billion, six hundred forty million, three hundred fourteen thousand, three hundred fifty-six".