8651643016 has 32 divisors (see below), whose sum is σ = 16981320960. Its totient is φ = 4124495232.

The previous prime is 8651642929. The next prime is 8651643019. The reversal of 8651643016 is 6103461568.

It is a self number, because there is not a number n which added to its sum of digits gives 8651643016.

It is not an unprimeable number, because it can be changed into a prime (8651643019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17520 + ... + 132703.

It is an arithmetic number, because the mean of its divisors is an integer number (530666280).

Almost surely, 2^8651643016 is an apocalyptic number.

It is an amenable number.

8651643016 is a deficient number, since it is larger than the sum of its proper divisors (8329677944).

8651643016 is a wasteful number, since it uses less digits than its factorization.

8651643016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150565 (or 150561 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 8651643016 is about 93014.2086780294. The cubic root of 8651643016 is about 2052.8924480926.

The spelling of 8651643016 in words is "eight billion, six hundred fifty-one million, six hundred forty-three thousand, sixteen".