12568762646 has 32 divisors (see below), whose sum is σ = 20917751040. Its totient is φ = 5616133600.

The previous prime is 12568762621. The next prime is 12568762649. The reversal of 12568762646 is 64626786521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12568762649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530420 + ... + 553608.

It is an arithmetic number, because the mean of its divisors is an integer number (653679720).

Almost surely, 2^12568762646 is an apocalyptic number.

12568762646 is a deficient number, since it is larger than the sum of its proper divisors (8348988394).

12568762646 is a wasteful number, since it uses less digits than its factorization.

12568762646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23620.

The product of its digits is 5806080, while the sum is 53.

The spelling of 12568762646 in words is "twelve billion, five hundred sixty-eight million, seven hundred sixty-two thousand, six hundred forty-six".