13151564566 has 32 divisors (see below), whose sum is σ = 23081760000. Its totient is φ = 5503614432.

The previous prime is 13151564557. The next prime is 13151564597. The reversal of 13151564566 is 66546515131.

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, 69645 + ... + 176503.

It is an arithmetic number, because the mean of its divisors is an integer number (721305000).

Almost surely, 2^13151564566 is an apocalyptic number.

13151564566 is a deficient number, since it is larger than the sum of its proper divisors (9930195434).

13151564566 is a wasteful number, since it uses less digits than its factorization.

13151564566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107076.

The product of its digits is 324000, while the sum is 43.

The spelling of 13151564566 in words is "thirteen billion, one hundred fifty-one million, five hundred sixty-four thousand, five hundred sixty-six".