116570616665 has 4 divisors (see below), whose sum is σ = 139884740004. Its totient is φ = 93256493328.

The previous prime is 116570616653. The next prime is 116570616671. The reversal of 116570616665 is 566616075611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 566616075611 = 1487 ⋅381046453.

It can be written as a sum of positive squares in 2 ways, for example, as 58306795024 + 58263821641 = 241468^2 + 241379^2 .

It is a cyclic number.

It is not a de Polignac number, because 116570616665 - 2¹⁰ = 116570615641 is a prime.

It is a Duffinian 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, 11657061662 + ... + 11657061671.

It is an arithmetic number, because the mean of its divisors is an integer number (34971185001).

Almost surely, 2^116570616665 is an apocalyptic number.

It is an amenable number.

116570616665 is a deficient number, since it is larger than the sum of its proper divisors (23314123339).

116570616665 is an equidigital number, since it uses as much as digits as its factorization.

116570616665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23314123338.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 116570616665 in words is "one hundred sixteen billion, five hundred seventy million, six hundred sixteen thousand, six hundred sixty-five".