116666880 has 160 divisors (see below), whose sum is σ = 407170368. Its totient is φ = 28262400.

The previous prime is 116666873. The next prime is 116666881. The reversal of 116666880 is 88666611.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×116666880² = 27222321777868800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116666881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83790 + ... + 85170.

Almost surely, 2^116666880 is an apocalyptic number.

116666880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116666880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203585184).

116666880 is an abundant number, since it is smaller than the sum of its proper divisors (290503488).

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

116666880 is a wasteful number, since it uses less digits than its factorization.

116666880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1418 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 116666880 is about 10801.2443727563. The cubic root of 116666880 is about 488.6327007923.

The spelling of 116666880 in words is "one hundred sixteen million, six hundred sixty-six thousand, eight hundred eighty".