216992922504 has 64 divisors (see below), whose sum is σ = 546099408000. Its totient is φ = 71849885184.

The previous prime is 216992922491. The next prime is 216992922551. The reversal of 216992922504 is 405229299612.

It is an unprimeable number.

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, 2909974 + ... + 2983610.

It is an arithmetic number, because the mean of its divisors is an integer number (8532803250).

Almost surely, 2^216992922504 is an apocalyptic number.

216992922504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216992922504 is an abundant number, since it is smaller than the sum of its proper divisors (329106485496).

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

216992922504 is a wasteful number, since it uses less digits than its factorization.

216992922504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74462 (or 74458 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 216992922504 in words is "two hundred sixteen billion, nine hundred ninety-two million, nine hundred twenty-two thousand, five hundred four".