117156206 has 8 divisors (see below), whose sum is σ = 176360544. Its totient is φ = 58369360.

The previous prime is 117156203. The next prime is 117156239. The reversal of 117156206 is 602651711.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117156203) 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, 103670 + ... + 104793.

It is an arithmetic number, because the mean of its divisors is an integer number (22045068).

Almost surely, 2^117156206 is an apocalyptic number.

117156206 is a deficient number, since it is larger than the sum of its proper divisors (59204338).

117156206 is a wasteful number, since it uses less digits than its factorization.

117156206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208746.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 117156206 is about 10823.8720428505. The cubic root of 117156206 is about 489.3148914928.

The spelling of 117156206 in words is "one hundred seventeen million, one hundred fifty-six thousand, two hundred six".