36664400520436 has 48 divisors (see below), whose sum is σ = 69177902613120. Its totient is φ = 16902541353600.

The previous prime is 36664400520413. The next prime is 36664400520437. The reversal of 36664400520436 is 63402500446663.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36664400520436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664400520437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283524585 + ... + 283653871.

It is an arithmetic number, because the mean of its divisors is an integer number (1441206304440).

Almost surely, 2^{36664400520436} is an apocalyptic number.

It is an amenable number.

36664400520436 is a deficient number, since it is larger than the sum of its proper divisors (32513502092684).

36664400520436 is a wasteful number, since it uses less digits than its factorization.

36664400520436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135544 (or 135542 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 36664400520436 in words is "thirty-six trillion, six hundred sixty-four billion, four hundred million, five hundred twenty thousand, four hundred thirty-six".