36918213656 has 16 divisors (see below), whose sum is σ = 69223707000. Its totient is φ = 18458558464.

The previous prime is 36918213641. The next prime is 36918213671. The reversal of 36918213656 is 65631281963.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (36918213641) and next prime (36918213671).

It is a congruent number.

It is an unprimeable number.

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, 436295 + ... + 513993.

Almost surely, 2^36918213656 is an apocalyptic number.

It is an amenable number.

36918213656 is a deficient number, since it is larger than the sum of its proper divisors (32305493344).

36918213656 is a wasteful number, since it uses less digits than its factorization.

36918213656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137098 (or 137094 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The spelling of 36918213656 in words is "thirty-six billion, nine hundred eighteen million, two hundred thirteen thousand, six hundred fifty-six".