36651585668 has 12 divisors (see below), whose sum is σ = 65018909340. Its totient is φ = 18074754432.

The previous prime is 36651585661. The next prime is 36651585679. The reversal of 36651585668 is 86658515663.

It can be written as a sum of positive squares in 2 ways, for example, as 12280629124 + 24370956544 = 110818^2 + 156112^2 .

It is not an unprimeable number, because it can be changed into a prime (36651585661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62759273 + ... + 62759856.

It is an arithmetic number, because the mean of its divisors is an integer number (5418242445).

Almost surely, 2^36651585668 is an apocalyptic number.

It is an amenable number.

36651585668 is a deficient number, since it is larger than the sum of its proper divisors (28367323672).

36651585668 is a wasteful number, since it uses less digits than its factorization.

36651585668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125519206 (or 125519204 counting only the distinct ones).

The product of its digits is 31104000, while the sum is 59.

The spelling of 36651585668 in words is "thirty-six billion, six hundred fifty-one million, five hundred eighty-five thousand, six hundred sixty-eight".