117493566 has 8 divisors (see below), whose sum is σ = 234987144. Its totient is φ = 39164520.

The previous prime is 117493559. The next prime is 117493567. The reversal of 117493566 is 665394711.

It is a sphenic number, since it is the product of 3 distinct primes.

117493566 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117493567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9791125 + ... + 9791136.

It is an arithmetic number, because the mean of its divisors is an integer number (29373393).

Almost surely, 2^117493566 is an apocalyptic number.

117493566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117493566 is a wasteful number, since it uses less digits than its factorization.

117493566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19582266.

The product of its digits is 136080, while the sum is 42.

The square root of 117493566 is about 10839.4449119870. Note that the first 3 decimals coincide. The cubic root of 117493566 is about 489.7841142556.

The spelling of 117493566 in words is "one hundred seventeen million, four hundred ninety-three thousand, five hundred sixty-six".