117500166 has 64 divisors (see below), whose sum is σ = 305395200. Its totient is φ = 32786208.

The previous prime is 117500069. The next prime is 117500183. The reversal of 117500166 is 661005711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12640 + ... + 19868.

It is an arithmetic number, because the mean of its divisors is an integer number (4771800).

Almost surely, 2^117500166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117500166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152697600).

117500166 is an abundant number, since it is smaller than the sum of its proper divisors (187895034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117500166 is a wasteful number, since it uses less digits than its factorization.

117500166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290 (or 7284 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 117500166 is about 10839.7493513457. The cubic root of 117500166 is about 489.7932850120.

Adding to 117500166 its reverse (661005711), we get a palindrome (778505877).

The spelling of 117500166 in words is "one hundred seventeen million, five hundred thousand, one hundred sixty-six".