16885520764 has 12 divisors (see below), whose sum is σ = 33771041584. Its totient is φ = 7236651744.

The previous prime is 16885520713. The next prime is 16885520783. The reversal of 16885520764 is 46702558861.

It is a happy number.

16885520764 is an admirable number.

It is a super-2 number, since 2×16885520764² (a number of 21 digits) contains 22 as substring.

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, 301527129 + ... + 301527184.

Almost surely, 2^16885520764 is an apocalyptic number.

16885520764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16885520764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16885520764 is a wasteful number, since it uses less digits than its factorization.

16885520764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603054324 (or 603054322 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 16885520764 in words is "sixteen billion, eight hundred eighty-five million, five hundred twenty thousand, seven hundred sixty-four".