117033661 has 4 divisors (see below), whose sum is σ = 123918012. Its totient is φ = 110149312.

The previous prime is 117033643. The next prime is 117033677. The reversal of 117033661 is 166330711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57836025 + 59197636 = 7605^2 + 7694^2 .

It is a cyclic number.

It is not a de Polignac number, because 117033661 - 2⁵ = 117033629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117033611) 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, 3442150 + ... + 3442183.

It is an arithmetic number, because the mean of its divisors is an integer number (30979503).

Almost surely, 2^117033661 is an apocalyptic number.

It is an amenable number.

117033661 is a deficient number, since it is larger than the sum of its proper divisors (6884351).

117033661 is an equidigital number, since it uses as much as digits as its factorization.

117033661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884350.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 117033661 is about 10818.2096947693. The cubic root of 117033661 is about 489.1442247262.

The spelling of 117033661 in words is "one hundred seventeen million, thirty-three thousand, six hundred sixty-one".