117161443 has 4 divisors (see below), whose sum is σ = 133898800. Its totient is φ = 100424088.

The previous prime is 117161413. The next prime is 117161453. The reversal of 117161443 is 344161711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344161711 = 1289 ⋅266999.

It is a cyclic number.

It is not a de Polignac number, because 117161443 - 2⁵ = 117161411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117161413) 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, 8368668 + ... + 8368681.

It is an arithmetic number, because the mean of its divisors is an integer number (33474700).

Almost surely, 2^117161443 is an apocalyptic number.

117161443 is a deficient number, since it is larger than the sum of its proper divisors (16737357).

117161443 is an equidigital number, since it uses as much as digits as its factorization.

117161443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16737356.

The product of its digits is 2016, while the sum is 28.

The square root of 117161443 is about 10824.1139591192. The cubic root of 117161443 is about 489.3221823398.

The spelling of 117161443 in words is "one hundred seventeen million, one hundred sixty-one thousand, four hundred forty-three".