116556666 has 8 divisors (see below), whose sum is σ = 233113344. Its totient is φ = 38852220.

The previous prime is 116556647. The next prime is 116556673. The reversal of 116556666 is 666655611.

It is a sphenic number, since it is the product of 3 distinct primes.

116556666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9713050 + ... + 9713061.

It is an arithmetic number, because the mean of its divisors is an integer number (29139168).

Almost surely, 2^116556666 is an apocalyptic number.

116556666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

116556666 is a wasteful number, since it uses less digits than its factorization.

116556666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19426116.

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

The square root of 116556666 is about 10796.1412550967. The cubic root of 116556666 is about 488.4787835541.

It can be divided in two parts, 11655666 and 6, that multiplied together give a palindrome (69933996).

The spelling of 116556666 in words is "one hundred sixteen million, five hundred fifty-six thousand, six hundred sixty-six".