16085640576 has 32 divisors (see below), whose sum is σ = 42727483800. Its totient is φ = 5361880064.

The previous prime is 16085640553. The next prime is 16085640581. The reversal of 16085640576 is 67504658061.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×16085640576² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 20944461 + ... + 20945228.

Almost surely, 2^16085640576 is an apocalyptic number.

16085640576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16085640576 is an abundant number, since it is smaller than the sum of its proper divisors (26641843224).

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

16085640576 is an equidigital number, since it uses as much as digits as its factorization.

16085640576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41889706 (or 41889694 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 16085640576 in words is "sixteen billion, eighty-five million, six hundred forty thousand, five hundred seventy-six".