117713161 has 4 divisors (see below), whose sum is σ = 118813392. Its totient is φ = 116612932.

The previous prime is 117713153. The next prime is 117713191. The reversal of 117713161 is 161317711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117713161 - 2³ = 117713153 is a prime.

It is a super-2 number, since 2×117713161² = 27712776545223842, which contains 22 as substring.

It is a Duffinian number.

117713161 is a modest number, since divided by 13161 gives 1177 as remainder.

It is not an unprimeable number, because it can be changed into a prime (117713131) 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, 549955 + ... + 550168.

It is an arithmetic number, because the mean of its divisors is an integer number (29703348).

Almost surely, 2^117713161 is an apocalyptic number.

It is an amenable number.

117713161 is a deficient number, since it is larger than the sum of its proper divisors (1100231).

117713161 is a wasteful number, since it uses less digits than its factorization.

117713161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100230.

The product of its digits is 882, while the sum is 28.

The square root of 117713161 is about 10849.5696228007. The cubic root of 117713161 is about 490.0890591975.

The spelling of 117713161 in words is "one hundred seventeen million, seven hundred thirteen thousand, one hundred sixty-one".