116566200665 has 32 divisors (see below), whose sum is σ = 144872370720. Its totient is φ = 89977651200.

The previous prime is 116566200649. The next prime is 116566200683. The reversal of 116566200665 is 566002665611.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 381342784 + 116184857881 = 19528^2 + 340859^2 .

It is not a de Polignac number, because 116566200665 - 2⁴ = 116566200649 is a prime.

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, 12888545 + ... + 12897585.

It is an arithmetic number, because the mean of its divisors is an integer number (4527261585).

Almost surely, 2^116566200665 is an apocalyptic number.

It is an amenable number.

116566200665 is a deficient number, since it is larger than the sum of its proper divisors (28306170055).

116566200665 is a wasteful number, since it uses less digits than its factorization.

116566200665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9773.

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 116566200665 in words is "one hundred sixteen billion, five hundred sixty-six million, two hundred thousand, six hundred sixty-five".