216057582984 has 32 divisors (see below), whose sum is σ = 568572588000. Its totient is φ = 68228710272.

The previous prime is 216057582943. The next prime is 216057583067. The reversal of 216057582984 is 489285750612.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236904789 + ... + 236905700.

It is an arithmetic number, because the mean of its divisors is an integer number (17767893375).

Almost surely, 2^216057582984 is an apocalyptic number.

216057582984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216057582984 is an abundant number, since it is smaller than the sum of its proper divisors (352515005016).

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

216057582984 is a wasteful number, since it uses less digits than its factorization.

216057582984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473810517 (or 473810513 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 216057582984 in words is "two hundred sixteen billion, fifty-seven million, five hundred eighty-two thousand, nine hundred eighty-four".