36612521564 has 12 divisors (see below), whose sum is σ = 64129695000. Its totient is φ = 18289751568.

The previous prime is 36612521557. The next prime is 36612521581. The reversal of 36612521564 is 46512521663.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4122314 + ... + 4131185.

It is an arithmetic number, because the mean of its divisors is an integer number (5344141250).

Almost surely, 2^36612521564 is an apocalyptic number.

It is an amenable number.

36612521564 is a deficient number, since it is larger than the sum of its proper divisors (27517173436).

36612521564 is a wasteful number, since it uses less digits than its factorization.

36612521564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8254612 (or 8254610 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

Subtracting 36612521564 from its reverse (46512521663), we obtain a palindrome (9900000099).

The spelling of 36612521564 in words is "thirty-six billion, six hundred twelve million, five hundred twenty-one thousand, five hundred sixty-four".