6116525665 has 4 divisors (see below), whose sum is σ = 7339830804. Its totient is φ = 4893220528.

The previous prime is 6116525663. The next prime is 6116525671. The reversal of 6116525665 is 5665256116.

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 3296597056 + 2819928609 = 57416^2 + 53103^2 .

It is a cyclic number.

It is not a de Polignac number, because 6116525665 - 2¹ = 6116525663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6116525663) 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, 611652562 + ... + 611652571.

It is an arithmetic number, because the mean of its divisors is an integer number (1834957701).

Almost surely, 2^6116525665 is an apocalyptic number.

It is an amenable number.

6116525665 is a deficient number, since it is larger than the sum of its proper divisors (1223305139).

6116525665 is a wasteful number, since it uses less digits than its factorization.

6116525665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223305138.

The product of its digits is 324000, while the sum is 43.

The square root of 6116525665 is about 78208.2199324342. The cubic root of 6116525665 is about 1828.8086510662.

The spelling of 6116525665 in words is "six billion, one hundred sixteen million, five hundred twenty-five thousand, six hundred sixty-five".