117566613 has 16 divisors (see below), whose sum is σ = 175056000. Its totient is φ = 77980320.

The previous prime is 117566591. The next prime is 117566621. The reversal of 117566613 is 316665711.

It is not a de Polignac number, because 117566613 - 2⁶ = 117566549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117566633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5568 + ... + 16313.

It is an arithmetic number, because the mean of its divisors is an integer number (10941000).

Almost surely, 2^117566613 is an apocalyptic number.

It is an amenable number.

117566613 is a deficient number, since it is larger than the sum of its proper divisors (57489387).

117566613 is a wasteful number, since it uses less digits than its factorization.

117566613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22089 (or 22083 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 117566613 is about 10842.8138875478. The cubic root of 117566613 is about 489.8855945596.

The spelling of 117566613 in words is "one hundred seventeen million, five hundred sixty-six thousand, six hundred thirteen".