36664565604556 has 12 divisors (see below), whose sum is σ = 64172279416168. Its totient is φ = 18329628628512.

The previous prime is 36664565604547. The next prime is 36664565604559. The reversal of 36664565604556 is 65540656546663.

It is a junction number, because it is equal to n+sod(n) for n = 36664565604491 and 36664565604500.

It is not an unprimeable number, because it can be changed into a prime (36664565604559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663512361 + ... + 663567616.

Almost surely, 2^{36664565604556} is an apocalyptic number.

It is an amenable number.

36664565604556 is a deficient number, since it is larger than the sum of its proper divisors (27507713811612).

36664565604556 is a wasteful number, since it uses less digits than its factorization.

36664565604556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327086888 (or 1327086886 counting only the distinct ones).

The product of its (nonzero) digits is 1399680000, while the sum is 67.

The spelling of 36664565604556 in words is "thirty-six trillion, six hundred sixty-four billion, five hundred sixty-five million, six hundred four thousand, five hundred fifty-six".