117665946 has 48 divisors (see below), whose sum is σ = 267662304. Its totient is φ = 38736144.

The previous prime is 117665939. The next prime is 117665969. The reversal of 117665946 is 649566711.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38880 + ... + 41796.

It is an arithmetic number, because the mean of its divisors is an integer number (5576298).

Almost surely, 2^117665946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117665946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133831152).

117665946 is an abundant number, since it is smaller than the sum of its proper divisors (149996358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117665946 is an equidigital number, since it uses as much as digits as its factorization.

117665946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017 (or 3005 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 117665946 is about 10847.3935118073. The cubic root of 117665946 is about 490.0235251790.

The spelling of 117665946 in words is "one hundred seventeen million, six hundred sixty-five thousand, nine hundred forty-six".