36664668 has 36 divisors (see below), whose sum is σ = 96711888. Its totient is φ = 11689920.

The previous prime is 36664651. The next prime is 36664679. The reversal of 36664668 is 86646663.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21313 + ... + 22968.

Almost surely, 2^36664668 is an apocalyptic number.

It is an amenable number.

36664668 is an abundant number, since it is smaller than the sum of its proper divisors (60047220).

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

36664668 is a wasteful number, since it uses less digits than its factorization.

36664668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44314 (or 44309 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 36664668 is about 6055.1356714776. The cubic root of 36664668 is about 332.2124613851.

The spelling of 36664668 in words is "thirty-six million, six hundred sixty-four thousand, six hundred sixty-eight".