16640164760 has 16 divisors (see below), whose sum is σ = 37440370800. Its totient is φ = 6656065888.

The previous prime is 16640164759. The next prime is 16640164777. The reversal of 16640164760 is 6746104661.

It is a congruent number.

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, 208002020 + ... + 208002099.

It is an arithmetic number, because the mean of its divisors is an integer number (2340023175).

Almost surely, 2^16640164760 is an apocalyptic number.

16640164760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16640164760 is an abundant number, since it is smaller than the sum of its proper divisors (20800206040).

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

16640164760 is a wasteful number, since it uses less digits than its factorization.

16640164760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416004130 (or 416004126 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 16640164760 in words is "sixteen billion, six hundred forty million, one hundred sixty-four thousand, seven hundred sixty".