36615446664 has 32 divisors (see below), whose sum is σ = 93039253440. Its totient is φ = 12005064000.

The previous prime is 36615446663. The next prime is 36615446701. The reversal of 36615446664 is 46664451663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36615446663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12503812 + ... + 12506739.

It is an arithmetic number, because the mean of its divisors is an integer number (2907476670).

Almost surely, 2^36615446664 is an apocalyptic number.

It is an amenable number.

36615446664 is an abundant number, since it is smaller than the sum of its proper divisors (56423806776).

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

36615446664 is a wasteful number, since it uses less digits than its factorization.

36615446664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25010621 (or 25010617 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 51.

The spelling of 36615446664 in words is "thirty-six billion, six hundred fifteen million, four hundred forty-six thousand, six hundred sixty-four".