116666057 has 4 divisors (see below), whose sum is σ = 116733060. Its totient is φ = 116599056.

The previous prime is 116666027. The next prime is 116666083. The reversal of 116666057 is 750666611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72097081 + 44568976 = 8491^2 + 6676^2 .

It is a cyclic number.

It is not a de Polignac number, because 116666057 - 2¹⁶ = 116600521 is a prime.

It is a super-2 number, since 2×116666057² = 27221937711854498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116666057.

It is not an unprimeable number, because it can be changed into a prime (116666027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30818 + ... + 34395.

It is an arithmetic number, because the mean of its divisors is an integer number (29183265).

Almost surely, 2^116666057 is an apocalyptic number.

It is an amenable number.

116666057 is a deficient number, since it is larger than the sum of its proper divisors (67003).

116666057 is an equidigital number, since it uses as much as digits as its factorization.

116666057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67002.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 116666057 is about 10801.2062752269. The cubic root of 116666057 is about 488.6315518068.

The spelling of 116666057 in words is "one hundred sixteen million, six hundred sixty-six thousand, fifty-seven".