8251663012 has 12 divisors (see below), whose sum is σ = 14441051520. Its totient is φ = 4125648296.

The previous prime is 8251663009. The next prime is 8251663037. The reversal of 8251663012 is 2103661528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133689 + ... + 185407.

It is an arithmetic number, because the mean of its divisors is an integer number (1203420960).

Almost surely, 2^8251663012 is an apocalyptic number.

It is an amenable number.

8251663012 is a deficient number, since it is larger than the sum of its proper divisors (6189388508).

8251663012 is a wasteful number, since it uses less digits than its factorization.

8251663012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91610 (or 91608 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 8251663012 is about 90838.6647413974. The cubic root of 8251663012 is about 2020.7557715055.

The spelling of 8251663012 in words is "eight billion, two hundred fifty-one million, six hundred sixty-three thousand, twelve".