109664906 has 8 divisors (see below), whose sum is σ = 177151044. Its totient is φ = 50614560.

The previous prime is 109664879. The next prime is 109664953. The reversal of 109664906 is 609466901.

It can be written as a sum of positive squares in 2 ways, for example, as 95863681 + 13801225 = 9791^2 + 3715^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2108915 + ... + 2108966.

Almost surely, 2^109664906 is an apocalyptic number.

109664906 is a deficient number, since it is larger than the sum of its proper divisors (67486138).

109664906 is a wasteful number, since it uses less digits than its factorization.

109664906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217896.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 109664906 is about 10472.1013173097. The cubic root of 109664906 is about 478.6549526242.

The spelling of 109664906 in words is "one hundred nine million, six hundred sixty-four thousand, nine hundred six".