109199916 has 72 divisors (see below), whose sum is σ = 332084480. Its totient is φ = 29556576.

The previous prime is 109199911. The next prime is 109199921. The reversal of 109199916 is 619991901.

It is an interprime number because it is at equal distance from previous prime (109199911) and next prime (109199921).

It is not an unprimeable number, because it can be changed into a prime (109199911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6616 + ... + 16191.

Almost surely, 2^109199916 is an apocalyptic number.

It is an amenable number.

109199916 is an abundant number, since it is smaller than the sum of its proper divisors (222884564).

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

109199916 is a wasteful number, since it uses less digits than its factorization.

109199916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22843 (or 22838 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 45.

The square root of 109199916 is about 10449.8763629050. The cubic root of 109199916 is about 477.9774794920.

The spelling of 109199916 in words is "one hundred nine million, one hundred ninety-nine thousand, nine hundred sixteen".