117191606 has 16 divisors (see below), whose sum is σ = 203731200. Its totient is φ = 49517160.

The previous prime is 117191603. The next prime is 117191609. The reversal of 117191606 is 606191711.

It is an interprime number because it is at equal distance from previous prime (117191603) and next prime (117191609).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117191603) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57956 + ... + 59943.

It is an arithmetic number, because the mean of its divisors is an integer number (12733200).

Almost surely, 2^117191606 is an apocalyptic number.

117191606 is a deficient number, since it is larger than the sum of its proper divisors (86539594).

117191606 is a wasteful number, since it uses less digits than its factorization.

117191606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117979.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 117191606 is about 10825.5071936607. The cubic root of 117191606 is about 489.3641704381.

The spelling of 117191606 in words is "one hundred seventeen million, one hundred ninety-one thousand, six hundred six".