36651585608 has 128 divisors (see below), whose sum is σ = 81829440000. Its totient is φ = 15201285120.

The previous prime is 36651585589. The next prime is 36651585617. The reversal of 36651585608 is 80658515663.

It is a self number, because there is not a number n which added to its sum of digits gives 36651585608.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8939543 + ... + 8943641.

It is an arithmetic number, because the mean of its divisors is an integer number (639292500).

Almost surely, 2^36651585608 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 36651585608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40914720000).

36651585608 is an abundant number, since it is smaller than the sum of its proper divisors (45177854392).

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

36651585608 is a wasteful number, since it uses less digits than its factorization.

36651585608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315 (or 4311 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 53.

The spelling of 36651585608 in words is "thirty-six billion, six hundred fifty-one million, five hundred eighty-five thousand, six hundred eight".