117563966 has 16 divisors (see below), whose sum is σ = 196038528. Its totient is φ = 52509600.

The previous prime is 117563921. The next prime is 117563983. The reversal of 117563966 is 669365711.

It is a super-2 number, since 2×117563966² = 27642572203298312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72125 + ... + 73736.

It is an arithmetic number, because the mean of its divisors is an integer number (12252408).

Almost surely, 2^117563966 is an apocalyptic number.

117563966 is a deficient number, since it is larger than the sum of its proper divisors (78474562).

117563966 is a wasteful number, since it uses less digits than its factorization.

117563966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145907.

The product of its digits is 204120, while the sum is 44.

The square root of 117563966 is about 10842.6918244502. The cubic root of 117563966 is about 489.8819179576.

The spelling of 117563966 in words is "one hundred seventeen million, five hundred sixty-three thousand, nine hundred sixty-six".