117666244 has 12 divisors (see below), whose sum is σ = 206218768. Its totient is φ = 58746600.

The previous prime is 117666233. The next prime is 117666247. The reversal of 117666244 is 442666711.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117666247) 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, 18522 + ... + 24049.

Almost surely, 2^117666244 is an apocalyptic number.

It is an amenable number.

117666244 is a deficient number, since it is larger than the sum of its proper divisors (88552524).

117666244 is a wasteful number, since it uses less digits than its factorization.

117666244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43266 (or 43264 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 117666244 is about 10847.4072478173. The cubic root of 117666244 is about 490.0239388554.

The spelling of 117666244 in words is "one hundred seventeen million, six hundred sixty-six thousand, two hundred forty-four".