117161146 has 8 divisors (see below), whose sum is σ = 176477760. Its totient is φ = 58335228.

The previous prime is 117161101. The next prime is 117161173. The reversal of 117161146 is 641161711.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122076 + ... + 123031.

It is an arithmetic number, because the mean of its divisors is an integer number (22059720).

Almost surely, 2^117161146 is an apocalyptic number.

117161146 is a deficient number, since it is larger than the sum of its proper divisors (59316614).

117161146 is a wasteful number, since it uses less digits than its factorization.

117161146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245348.

The product of its digits is 1008, while the sum is 28.

The square root of 117161146 is about 10824.1002397428. The cubic root of 117161146 is about 489.3217688681.

The spelling of 117161146 in words is "one hundred seventeen million, one hundred sixty-one thousand, one hundred forty-six".