108857216 has 32 divisors (see below), whose sum is σ = 233549400. Its totient is φ = 50241024.

The previous prime is 108857207. The next prime is 108857249. The reversal of 108857216 is 612758801.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 108857216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31046 + ... + 34373.

Almost surely, 2^108857216 is an apocalyptic number.

108857216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

108857216 is an abundant number, since it is smaller than the sum of its proper divisors (124692184).

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

108857216 is an equidigital number, since it uses as much as digits as its factorization.

108857216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65446 (or 65434 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 108857216 is about 10433.4661546391. The cubic root of 108857216 is about 477.4769463391.

The spelling of 108857216 in words is "one hundred eight million, eight hundred fifty-seven thousand, two hundred sixteen".