109956816 has 60 divisors (see below), whose sum is σ = 325835172. Its totient is φ = 34495488.

The previous prime is 109956809. The next prime is 109956877. The reversal of 109956816 is 618659901.

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 62346816 = 6900^2 + 7896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20011 + ... + 24906.

Almost surely, 2^109956816 is an apocalyptic number.

109956816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

109956816 is an abundant number, since it is smaller than the sum of its proper divisors (215878356).

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

109956816 is a wasteful number, since it uses less digits than its factorization.

109956816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44948 (or 44939 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 109956816 is about 10486.0295631855. The cubic root of 109956816 is about 479.0792766888.

The spelling of 109956816 in words is "one hundred nine million, nine hundred fifty-six thousand, eight hundred sixteen".