36947398656 has 156 divisors (see below), whose sum is σ = 114600215472. Its totient is φ = 10556227584.

The previous prime is 36947398643. The next prime is 36947398667. The reversal of 36947398656 is 65689374963.

It is a super-2 number, since 2×36947398656² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 571431 + ... + 632793.

Almost surely, 2^36947398656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36947398656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57300107736).

36947398656 is an abundant number, since it is smaller than the sum of its proper divisors (77652816816).

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

36947398656 is an equidigital number, since it uses as much as digits as its factorization.

36947398656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61404 (or 61375 counting only the distinct ones).

The product of its digits is 176359680, while the sum is 66.

The spelling of 36947398656 in words is "thirty-six billion, nine hundred forty-seven million, three hundred ninety-eight thousand, six hundred fifty-six".