109997164 has 12 divisors (see below), whose sum is σ = 193788000. Its totient is φ = 54629168.

The previous prime is 109997149. The next prime is 109997221. The reversal of 109997164 is 461799901.

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, 91684 + ... + 92875.

It is an arithmetic number, because the mean of its divisors is an integer number (16149000).

Almost surely, 2^109997164 is an apocalyptic number.

It is an amenable number.

109997164 is a deficient number, since it is larger than the sum of its proper divisors (83790836).

109997164 is a wasteful number, since it uses less digits than its factorization.

109997164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184712 (or 184710 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 109997164 is about 10487.9532798349. The cubic root of 109997164 is about 479.1378679537.

The spelling of 109997164 in words is "one hundred nine million, nine hundred ninety-seven thousand, one hundred sixty-four".