8018472681 has 24 divisors (see below), whose sum is σ = 12104304576. Its totient is φ = 5105406240.

The previous prime is 8018472673. The next prime is 8018472713. The reversal of 8018472681 is 1862748108.

It is not a de Polignac number, because 8018472681 - 2³ = 8018472673 is a prime.

It is a super-2 number, since 2×8018472681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8018479681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107526 + ... + 166128.

It is an arithmetic number, because the mean of its divisors is an integer number (504346024).

Almost surely, 2^8018472681 is an apocalyptic number.

It is an amenable number.

8018472681 is a deficient number, since it is larger than the sum of its proper divisors (4085831895).

8018472681 is a wasteful number, since it uses less digits than its factorization.

8018472681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59293 (or 59290 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 8018472681 is about 89545.9249826590. The cubic root of 8018472681 is about 2001.5382067401.

The spelling of 8018472681 in words is "eight billion, eighteen million, four hundred seventy-two thousand, six hundred eighty-one".