8516149056 has 112 divisors (see below), whose sum is σ = 25155631680. Its totient is φ = 2825141760.

The previous prime is 8516149043. The next prime is 8516149111. The reversal of 8516149056 is 6509416158.

8516149056 is a `hidden beast` number, since 8 + 51 + 61 + 490 + 56 = 666.

It is a super-2 number, since 2×8516149056² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 352930 + ... + 376286.

Almost surely, 2^8516149056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8516149056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12577815840).

8516149056 is an abundant number, since it is smaller than the sum of its proper divisors (16639482624).

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

8516149056 is a wasteful number, since it uses less digits than its factorization.

8516149056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23589 (or 23573 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 8516149056 is about 92282.9835668527. The cubic root of 8516149056 is about 2042.1191818836.

The spelling of 8516149056 in words is "eight billion, five hundred sixteen million, one hundred forty-nine thousand, fifty-six".