8168798512 has 40 divisors (see below), whose sum is σ = 18092654496. Its totient is φ = 3500023296.

The previous prime is 8168798507. The next prime is 8168798531. The reversal of 8168798512 is 2158978618.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627138 + ... + 640030.

Almost surely, 2^8168798512 is an apocalyptic number.

It is an amenable number.

8168798512 is an abundant number, since it is smaller than the sum of its proper divisors (9923855984).

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

8168798512 is a wasteful number, since it uses less digits than its factorization.

8168798512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18565 (or 18559 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 55.

The square root of 8168798512 is about 90381.4057868099. The cubic root of 8168798512 is about 2013.9687525044.

The spelling of 8168798512 in words is "eight billion, one hundred sixty-eight million, seven hundred ninety-eight thousand, five hundred twelve".