117896566 has 16 divisors (see below), whose sum is σ = 181521648. Its totient is φ = 57395200.

The previous prime is 117896561. The next prime is 117896567. The reversal of 117896566 is 665698711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117896561) 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, 51441 + ... + 53683.

It is an arithmetic number, because the mean of its divisors is an integer number (11345103).

Almost surely, 2^117896566 is an apocalyptic number.

117896566 is a deficient number, since it is larger than the sum of its proper divisors (63625082).

117896566 is a wasteful number, since it uses less digits than its factorization.

117896566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2927.

The product of its digits is 544320, while the sum is 49.

The square root of 117896566 is about 10858.0185116807. The cubic root of 117896566 is about 490.3434576616.

The spelling of 117896566 in words is "one hundred seventeen million, eight hundred ninety-six thousand, five hundred sixty-six".