13056640662 has 32 divisors (see below), whose sum is σ = 29776233312. Its totient is φ = 3781108224.

The previous prime is 13056640633. The next prime is 13056640687. The reversal of 13056640662 is 26604665031.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 13056640662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4921993 + ... + 4924644.

It is an arithmetic number, because the mean of its divisors is an integer number (930507291).

Almost surely, 2^13056640662 is an apocalyptic number.

13056640662 is an abundant number, since it is smaller than the sum of its proper divisors (16719592650).

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

13056640662 is a wasteful number, since it uses less digits than its factorization.

13056640662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9846672.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 13056640662 in words is "thirteen billion, fifty-six million, six hundred forty thousand, six hundred sixty-two".