12646633054 has 32 divisors (see below), whose sum is σ = 22194725760. Its totient is φ = 5343156000.

The previous prime is 12646633031. The next prime is 12646633093. The reversal of 12646633054 is 45033664621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12646632998 and 12646633016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263272 + ... + 307579.

It is an arithmetic number, because the mean of its divisors is an integer number (693585180).

Almost surely, 2^12646633054 is an apocalyptic number.

12646633054 is a deficient number, since it is larger than the sum of its proper divisors (9548092706).

12646633054 is a wasteful number, since it uses less digits than its factorization.

12646633054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570936.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 12646633054 in words is "twelve billion, six hundred forty-six million, six hundred thirty-three thousand, fifty-four".