36520601636 has 12 divisors (see below), whose sum is σ = 63981214080. Its totient is φ = 18240254760.

The previous prime is 36520601633. The next prime is 36520601653. The reversal of 36520601636 is 63610602563.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36520601636.

It is not an unprimeable number, because it can be changed into a prime (36520601633) 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, 5007416 + ... + 5014703.

It is an arithmetic number, because the mean of its divisors is an integer number (5331767840).

Almost surely, 2^36520601636 is an apocalyptic number.

It is an amenable number.

36520601636 is a deficient number, since it is larger than the sum of its proper divisors (27460612444).

36520601636 is a wasteful number, since it uses less digits than its factorization.

36520601636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10023034 (or 10023032 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 36520601636 in words is "thirty-six billion, five hundred twenty million, six hundred one thousand, six hundred thirty-six".