109157164 has 12 divisors (see below), whose sum is σ = 192917088. Its totient is φ = 54038000.

The previous prime is 109157143. The next prime is 109157173. The reversal of 109157164 is 461751901.

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, 134692 + ... + 135499.

It is an arithmetic number, because the mean of its divisors is an integer number (16076424).

Almost surely, 2^109157164 is an apocalyptic number.

It is an amenable number.

109157164 is a deficient number, since it is larger than the sum of its proper divisors (83759924).

109157164 is a wasteful number, since it uses less digits than its factorization.

109157164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270296 (or 270294 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 109157164 is about 10447.8305882130. The cubic root of 109157164 is about 477.9150949492.

The spelling of 109157164 in words is "one hundred nine million, one hundred fifty-seven thousand, one hundred sixty-four".