36634446667 has 64 divisors (see below), whose sum is σ = 50450964480. Its totient is φ = 25762074624.

The previous prime is 36634446647. The next prime is 36634446683. The reversal of 36634446667 is 76664443663.

It is a de Polignac number, because none of the positive numbers 2^k-36634446667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36634446637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2804383 + ... + 2817415.

It is an arithmetic number, because the mean of its divisors is an integer number (788296320).

Almost surely, 2^36634446667 is an apocalyptic number.

36634446667 is a deficient number, since it is larger than the sum of its proper divisors (13816517813).

36634446667 is a wasteful number, since it uses less digits than its factorization.

36634446667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172.

The product of its digits is 31352832, while the sum is 55.

The spelling of 36634446667 in words is "thirty-six billion, six hundred thirty-four million, four hundred forty-six thousand, six hundred sixty-seven".