12182049664 has 32 divisors (see below), whose sum is σ = 25051803840. Its totient is φ = 5894538240.

The previous prime is 12182049623. The next prime is 12182049697. The reversal of 12182049664 is 46694028121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12182049664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531069 + ... + 1539004.

It is an arithmetic number, because the mean of its divisors is an integer number (782868870).

Almost surely, 2^12182049664 is an apocalyptic number.

It is an amenable number.

12182049664 is an abundant number, since it is smaller than the sum of its proper divisors (12869754176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12182049664 is an equidigital number, since it uses as much as digits as its factorization.

12182049664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070118 (or 3070106 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 12182049664 in words is "twelve billion, one hundred eighty-two million, forty-nine thousand, six hundred sixty-four".