8043168986 has 4 divisors (see below), whose sum is σ = 12064753482. Its totient is φ = 4021584492.

The previous prime is 8043168983. The next prime is 8043168989. The reversal of 8043168986 is 6898613408.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8043168983) and next prime (8043168989).

It can be written as a sum of positive squares in only one way, i.e., 7664127025 + 379041961 = 87545^2 + 19469^2 .

It is not an unprimeable number, because it can be changed into a prime (8043168983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010792245 + ... + 2010792248.

Almost surely, 2^8043168986 is an apocalyptic number.

8043168986 is a deficient number, since it is larger than the sum of its proper divisors (4021584496).

8043168986 is a wasteful number, since it uses less digits than its factorization.

8043168986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021584495.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The square root of 8043168986 is about 89683.7163926652. The cubic root of 8043168986 is about 2003.5909641295.

The spelling of 8043168986 in words is "eight billion, forty-three million, one hundred sixty-eight thousand, nine hundred eighty-six".