5160616565 has 16 divisors (see below), whose sum is σ = 6675877488. Its totient is φ = 3807046656.

The previous prime is 5160616541. The next prime is 5160616567. The reversal of 5160616565 is 5656160615.

It can be written as a sum of positive squares in 8 ways, for example, as 98863249 + 5061753316 = 9943^2 + 71146^2 .

It is a cyclic number.

It is not a de Polignac number, because 5160616565 - 2¹⁰ = 5160615541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5160616567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24989 + ... + 104621.

It is an arithmetic number, because the mean of its divisors is an integer number (417242343).

Almost surely, 2^5160616565 is an apocalyptic number.

It is an amenable number.

5160616565 is a deficient number, since it is larger than the sum of its proper divisors (1515260923).

5160616565 is a wasteful number, since it uses less digits than its factorization.

5160616565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80648.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 5160616565 is about 71837.4315033604. The cubic root of 5160616565 is about 1728.0933436382.

The spelling of 5160616565 in words is "five billion, one hundred sixty million, six hundred sixteen thousand, five hundred sixty-five".