8116717512 has 32 divisors (see below), whose sum is σ = 20318644800. Its totient is φ = 2701992384.

The previous prime is 8116717487. The next prime is 8116717547. The reversal of 8116717512 is 2157176118.

It is a super-2 number, since 2×8116717512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205212 + ... + 241547.

It is an arithmetic number, because the mean of its divisors is an integer number (634957650).

Almost surely, 2^8116717512 is an apocalyptic number.

It is an amenable number.

8116717512 is an abundant number, since it is smaller than the sum of its proper divisors (12201927288).

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

8116717512 is a wasteful number, since it uses less digits than its factorization.

8116717512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447525 (or 447521 counting only the distinct ones).

The product of its digits is 23520, while the sum is 39.

The square root of 8116717512 is about 90092.8271950659. The cubic root of 8116717512 is about 2009.6795370389.

The spelling of 8116717512 in words is "eight billion, one hundred sixteen million, seven hundred seventeen thousand, five hundred twelve".