216139835315100 has 108 divisors (see below), whose sum is σ = 646188385926552. Its totient is φ = 55778021942400.

The previous prime is 216139835315081. The next prime is 216139835315111. The reversal of 216139835315100 is 1513538931612.

216139835315100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 216139835315100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 374563999 + ... + 375140598.

Almost surely, 2^{216139835315100} is an apocalyptic number.

216139835315100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216139835315100 is an abundant number, since it is smaller than the sum of its proper divisors (430048550611452).

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

216139835315100 is a wasteful number, since it uses less digits than its factorization.

216139835315100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749704676 (or 749704638 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 216139835315100 in words is "two hundred sixteen trillion, one hundred thirty-nine billion, eight hundred thirty-five million, three hundred fifteen thousand, one hundred".