11646536764 has 24 divisors (see below), whose sum is σ = 21351153600. Its totient is φ = 5551291200.

The previous prime is 11646536753. The next prime is 11646536771. The reversal of 11646536764 is 46763564611.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626287 + ... + 644614.

It is an arithmetic number, because the mean of its divisors is an integer number (889631400).

Almost surely, 2^11646536764 is an apocalyptic number.

It is an amenable number.

11646536764 is a deficient number, since it is larger than the sum of its proper divisors (9704616836).

11646536764 is a wasteful number, since it uses less digits than its factorization.

11646536764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271013 (or 1271011 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The spelling of 11646536764 in words is "eleven billion, six hundred forty-six million, five hundred thirty-six thousand, seven hundred sixty-four".