36664637324500 has 48 divisors (see below), whose sum is σ = 80097103457280. Its totient is φ = 14661910692000.

The previous prime is 36664637324363. The next prime is 36664637324507. The reversal of 36664637324500 is 542373646663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664637324507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7999236 + ... + 11718235.

It is an arithmetic number, because the mean of its divisors is an integer number (1668689655360).

Almost surely, 2^{36664637324500} is an apocalyptic number.

It is an amenable number.

36664637324500 is an abundant number, since it is smaller than the sum of its proper divisors (43432466132780).

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

36664637324500 is a wasteful number, since it uses less digits than its factorization.

36664637324500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721209 (or 19721197 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 55.

The spelling of 36664637324500 in words is "thirty-six trillion, six hundred sixty-four billion, six hundred thirty-seven million, three hundred twenty-four thousand, five hundred".