8616520536 has 64 divisors (see below), whose sum is σ = 23208165120. Its totient is φ = 2650112640.

The previous prime is 8616520519. The next prime is 8616520559. The reversal of 8616520536 is 6350256168.

It is a happy number.

It is a super-2 number, since 2×8616520536² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1016331 + ... + 1024773.

It is an arithmetic number, because the mean of its divisors is an integer number (362627580).

Almost surely, 2^8616520536 is an apocalyptic number.

It is an amenable number.

8616520536 is an abundant number, since it is smaller than the sum of its proper divisors (14591644584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8616520536 is a wasteful number, since it uses less digits than its factorization.

8616520536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736 (or 11732 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 8616520536 is about 92825.2149795518. The cubic root of 8616520536 is about 2050.1106849617.

The spelling of 8616520536 in words is "eight billion, six hundred sixteen million, five hundred twenty thousand, five hundred thirty-six".