5165061617 has 4 divisors (see below), whose sum is σ = 5343167220. Its totient is φ = 4986956016.

The previous prime is 5165061613. The next prime is 5165061619. The reversal of 5165061617 is 7161605615.

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 1545354721 + 3619706896 = 39311^2 + 60164^2 .

It is a cyclic number.

It is not a de Polignac number, because 5165061617 - 2² = 5165061613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5165061611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89052758 + ... + 89052815.

It is an arithmetic number, because the mean of its divisors is an integer number (1335791805).

Almost surely, 2^5165061617 is an apocalyptic number.

It is an amenable number.

5165061617 is a deficient number, since it is larger than the sum of its proper divisors (178105603).

5165061617 is a wasteful number, since it uses less digits than its factorization.

5165061617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178105602.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 5165061617 is about 71868.3631161862. The cubic root of 5165061617 is about 1728.5893606210.

The spelling of 5165061617 in words is "five billion, one hundred sixty-five million, sixty-one thousand, six hundred seventeen".