117161656 has 16 divisors (see below), whose sum is σ = 219875040. Its totient is φ = 58528320.

The previous prime is 117161651. The next prime is 117161659. The reversal of 117161656 is 656161711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117161651) by changing a digit.

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, 3900 + ... + 15796.

It is an arithmetic number, because the mean of its divisors is an integer number (13742190).

Almost surely, 2^117161656 is an apocalyptic number.

It is an amenable number.

117161656 is a deficient number, since it is larger than the sum of its proper divisors (102713384).

117161656 is a wasteful number, since it uses less digits than its factorization.

117161656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134 (or 13130 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 117161656 is about 10824.1237982573. The cubic root of 117161656 is about 489.3224788695.

The spelling of 117161656 in words is "one hundred seventeen million, one hundred sixty-one thousand, six hundred fifty-six".