117166678 has 8 divisors (see below), whose sum is σ = 175872672. Its totient is φ = 58542456.

The previous prime is 117166657. The next prime is 117166691. The reversal of 117166678 is 876661711.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16725 + ... + 22672.

It is an arithmetic number, because the mean of its divisors is an integer number (21984084).

Almost surely, 2^117166678 is an apocalyptic number.

117166678 is a deficient number, since it is larger than the sum of its proper divisors (58705994).

117166678 is a wasteful number, since it uses less digits than its factorization.

117166678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40886.

The product of its digits is 84672, while the sum is 43.

The square root of 117166678 is about 10824.3557775971. The cubic root of 117166678 is about 489.3294701852.

The spelling of 117166678 in words is "one hundred seventeen million, one hundred sixty-six thousand, six hundred seventy-eight".