117656441 has 16 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 99256320.

The previous prime is 117656437. The next prime is 117656459. The reversal of 117656441 is 144656711.

It is a cyclic number.

It is not a de Polignac number, because 117656441 - 2² = 117656437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117656491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163280 + ... + 163998.

It is an arithmetic number, because the mean of its divisors is an integer number (8537760).

Almost surely, 2^117656441 is an apocalyptic number.

It is an amenable number.

117656441 is a deficient number, since it is larger than the sum of its proper divisors (18947719).

117656441 is an equidigital number, since it uses as much as digits as its factorization.

117656441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 20160, while the sum is 35.

The square root of 117656441 is about 10846.9553792758. The cubic root of 117656441 is about 490.0103302001.

The spelling of 117656441 in words is "one hundred seventeen million, six hundred fifty-six thousand, four hundred forty-one".