8170134681 has 24 divisors (see below), whose sum is σ = 11580881760. Its totient is φ = 5121578176.

The previous prime is 8170134677. The next prime is 8170134683. The reversal of 8170134681 is 1864310718.

It is not a de Polignac number, because 8170134681 - 2² = 8170134677 is a prime.

It is a super-2 number, since 2×8170134681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8170134683) 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, 50005 + ... + 137261.

It is an arithmetic number, because the mean of its divisors is an integer number (482536740).

Almost surely, 2^8170134681 is an apocalyptic number.

It is an amenable number.

8170134681 is a deficient number, since it is larger than the sum of its proper divisors (3410747079).

8170134681 is a wasteful number, since it uses less digits than its factorization.

8170134681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87365 (or 87342 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 8170134681 is about 90388.7973202432. The cubic root of 8170134681 is about 2014.0785546947.

The spelling of 8170134681 in words is "eight billion, one hundred seventy million, one hundred thirty-four thousand, six hundred eighty-one".