64108906 has 8 divisors (see below), whose sum is σ = 97977924. Its totient is φ = 31449600.

The previous prime is 64108867. The next prime is 64108927. The reversal of 64108906 is 60980146.

It can be written as a sum of positive squares in 2 ways, for example, as 62647225 + 1461681 = 7915^2 + 1209^2 .

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, 302295 + ... + 302506.

Almost surely, 2^64108906 is an apocalyptic number.

64108906 is a deficient number, since it is larger than the sum of its proper divisors (33869018).

64108906 is a wasteful number, since it uses less digits than its factorization.

64108906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604856.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 64108906 is about 8006.8037318271. The cubic root of 64108906 is about 400.2267589267.

The spelling of 64108906 in words is "sixty-four million, one hundred eight thousand, nine hundred six".