36662640478 has 64 divisors (see below), whose sum is σ = 59389355520. Its totient is φ = 16941456000.

The previous prime is 36662640467. The next prime is 36662640479. The reversal of 36662640478 is 87404626663.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36662640479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34883053 + ... + 34884103.

It is an arithmetic number, because the mean of its divisors is an integer number (927958680).

Almost surely, 2^36662640478 is an apocalyptic number.

36662640478 is a deficient number, since it is larger than the sum of its proper divisors (22726715042).

36662640478 is a wasteful number, since it uses less digits than its factorization.

36662640478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 36662640478 in words is "thirty-six billion, six hundred sixty-two million, six hundred forty thousand, four hundred seventy-eight".