36646764664 has 8 divisors (see below), whose sum is σ = 68712683760. Its totient is φ = 18323382328.

The previous prime is 36646764643. The next prime is 36646764667. The reversal of 36646764664 is 46646764663.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 36646764599 and 36646764608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36646764667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2290422784 + ... + 2290422799.

It is an arithmetic number, because the mean of its divisors is an integer number (8589085470).

Almost surely, 2^36646764664 is an apocalyptic number.

It is an amenable number.

36646764664 is a deficient number, since it is larger than the sum of its proper divisors (32065919096).

36646764664 is a wasteful number, since it uses less digits than its factorization.

36646764664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580845589 (or 4580845585 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 58.

Subtracting 36646764664 from its reverse (46646764663), we obtain a palindrome (9999999999).

The spelling of 36646764664 in words is "thirty-six billion, six hundred forty-six million, seven hundred sixty-four thousand, six hundred sixty-four".