36664036033725 has 72 divisors (see below), whose sum is σ = 66355521039080. Its totient is φ = 19349892956160.

The previous prime is 36664036033721. The next prime is 36664036033727. The reversal of 36664036033725 is 52733063046663.

It can be written as a sum of positive squares in 12 ways, for example, as 3322315489284 + 33341720544441 = 1822722^2 + 5774229^2 .

It is not a de Polignac number, because 36664036033725 - 2² = 36664036033721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664036033721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 163335267 + ... + 163559583.

Almost surely, 2^{36664036033725} is an apocalyptic number.

It is an amenable number.

36664036033725 is a deficient number, since it is larger than the sum of its proper divisors (29691485005355).

36664036033725 is a wasteful number, since it uses less digits than its factorization.

36664036033725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231919 (or 231911 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 54.

The spelling of 36664036033725 in words is "thirty-six trillion, six hundred sixty-four billion, thirty-six million, thirty-three thousand, seven hundred twenty-five".