8142168892 has 96 divisors (see below), whose sum is σ = 17244186624. Its totient is φ = 3342271680.

The previous prime is 8142168841. The next prime is 8142168899. The reversal of 8142168892 is 2988612418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142168899) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3251713 + ... + 3254215.

It is an arithmetic number, because the mean of its divisors is an integer number (179626944).

Almost surely, 2^8142168892 is an apocalyptic number.

It is an amenable number.

8142168892 is an abundant number, since it is smaller than the sum of its proper divisors (9102017732).

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

8142168892 is a wasteful number, since it uses less digits than its factorization.

8142168892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 2576 counting only the distinct ones).

The product of its digits is 442368, while the sum is 49.

The square root of 8142168892 is about 90233.9675066989. The cubic root of 8142168892 is about 2011.7779119103. Note that the first 3 decimals are identical.

The spelling of 8142168892 in words is "eight billion, one hundred forty-two million, one hundred sixty-eight thousand, eight hundred ninety-two".