216777374032 has 40 divisors (see below), whose sum is σ = 423936069480. Its totient is φ = 107374878720.

The previous prime is 216777374017. The next prime is 216777374057. The reversal of 216777374032 is 230473777612.

It can be written as a sum of positive squares in 4 ways, for example, as 2996905536 + 213780468496 = 54744^2 + 462364^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17142432 + ... + 17155072.

It is an arithmetic number, because the mean of its divisors is an integer number (10598401737).

Almost surely, 2^216777374032 is an apocalyptic number.

It is an amenable number.

216777374032 is a deficient number, since it is larger than the sum of its proper divisors (207158695448).

216777374032 is a wasteful number, since it uses less digits than its factorization.

216777374032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22591 (or 22585 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 49.

The spelling of 216777374032 in words is "two hundred sixteen billion, seven hundred seventy-seven million, three hundred seventy-four thousand, thirty-two".