16660590972 has 48 divisors (see below), whose sum is σ = 39797611392. Its totient is φ = 5421810240.

The previous prime is 16660590953. The next prime is 16660590977. The reversal of 16660590972 is 27909506661.

16660590972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16660590977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299618 + ... + 1312374.

It is an arithmetic number, because the mean of its divisors is an integer number (829116904).

Almost surely, 2^16660590972 is an apocalyptic number.

16660590972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16660590972 is an abundant number, since it is smaller than the sum of its proper divisors (23137020420).

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

16660590972 is a wasteful number, since it uses less digits than its factorization.

16660590972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15338 (or 15336 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 16660590972 in words is "sixteen billion, six hundred sixty million, five hundred ninety thousand, nine hundred seventy-two".