11664651632 has 10 divisors (see below), whose sum is σ = 22600262568. Its totient is φ = 5832325808.

The previous prime is 11664651629. The next prime is 11664651653. The reversal of 11664651632 is 23615646611.

11664651632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11664651632.

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 as a sum of consecutive naturals, namely, 364520348 + ... + 364520379.

Almost surely, 2^11664651632 is an apocalyptic number.

It is an amenable number.

11664651632 is a deficient number, since it is larger than the sum of its proper divisors (10935610936).

11664651632 is an equidigital number, since it uses as much as digits as its factorization.

11664651632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729040735 (or 729040729 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The spelling of 11664651632 in words is "eleven billion, six hundred sixty-four million, six hundred fifty-one thousand, six hundred thirty-two".