113642616566 has 16 divisors (see below), whose sum is σ = 180502972560. Its totient is φ = 53475394560.

The previous prime is 113642616551. The next prime is 113642616569. The reversal of 113642616566 is 665616246311.

It is a self number, because there is not a number n which added to its sum of digits gives 113642616566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113642616569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464486 + ... + 665606.

It is an arithmetic number, because the mean of its divisors is an integer number (11281435785).

Almost surely, 2^113642616566 is an apocalyptic number.

113642616566 is a deficient number, since it is larger than the sum of its proper divisors (66860355994).

113642616566 is a wasteful number, since it uses less digits than its factorization.

113642616566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217759.

The product of its digits is 933120, while the sum is 47.

The spelling of 113642616566 in words is "one hundred thirteen billion, six hundred forty-two million, six hundred sixteen thousand, five hundred sixty-six".