5216696581 has 16 divisors (see below), whose sum is σ = 5552308800. Its totient is φ = 4893533568.

The previous prime is 5216696567. The next prime is 5216696593. The reversal of 5216696581 is 1856966125.

It is a cyclic number.

It is not a de Polignac number, because 5216696581 - 2⁷ = 5216696453 is a prime.

It is a super-2 number, since 2×5216696581² = 54427846436434179122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216696531) 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, 123450 + ... + 160228.

It is an arithmetic number, because the mean of its divisors is an integer number (347019300).

Almost surely, 2^5216696581 is an apocalyptic number.

It is an amenable number.

5216696581 is a deficient number, since it is larger than the sum of its proper divisors (335612219).

5216696581 is a wasteful number, since it uses less digits than its factorization.

5216696581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36948.

The product of its digits is 777600, while the sum is 49.

The square root of 5216696581 is about 72226.7026867488. The cubic root of 5216696581 is about 1734.3304900456.

The spelling of 5216696581 in words is "five billion, two hundred sixteen million, six hundred ninety-six thousand, five hundred eighty-one".