8137036656 has 160 divisors (see below), whose sum is σ = 27031603200. Its totient is φ = 2295371520.

The previous prime is 8137036639. The next prime is 8137036657. The reversal of 8137036656 is 6566307318.

It is a super-2 number, since 2×8137036656² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8137036657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221866 + ... + 255926.

It is an arithmetic number, because the mean of its divisors is an integer number (168947520).

Almost surely, 2^8137036656 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 8137036656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13515801600).

8137036656 is an abundant number, since it is smaller than the sum of its proper divisors (18894566544).

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

8137036656 is a wasteful number, since it uses less digits than its factorization.

8137036656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34164 (or 34152 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 8137036656 is about 90205.5245314831. The cubic root of 8137036656 is about 2011.3551298366.

The spelling of 8137036656 in words is "eight billion, one hundred thirty-seven million, thirty-six thousand, six hundred fifty-six".