116666556 has 48 divisors (see below), whose sum is σ = 278998944. Its totient is φ = 37933056.

The previous prime is 116666533. The next prime is 116666573. The reversal of 116666556 is 655666611.

It is a super-2 number, since 2×116666556² = 27222170577802272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84286 + ... + 85658.

It is an arithmetic number, because the mean of its divisors is an integer number (5812478).

Almost surely, 2^116666556 is an apocalyptic number.

It is an amenable number.

116666556 is an abundant number, since it is smaller than the sum of its proper divisors (162332388).

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

116666556 is a wasteful number, since it uses less digits than its factorization.

116666556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550 (or 1548 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 116666556 is about 10801.2293744740. The cubic root of 116666556 is about 488.6322484585.

The spelling of 116666556 in words is "one hundred sixteen million, six hundred sixty-six thousand, five hundred fifty-six".