8061681 has 16 divisors (see below), whose sum is σ = 11707200. Its totient is φ = 4915008.

The previous prime is 8061679. The next prime is 8061721. The reversal of 8061681 is 1861608.

It is not a de Polignac number, because 8061681 - 2¹ = 8061679 is a prime.

It is a super-2 number, since 2×8061681² = 129981401091522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8061611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786 + ... + 4091.

It is an arithmetic number, because the mean of its divisors is an integer number (731700).

Almost surely, 2^8061681 is an apocalyptic number.

It is an amenable number.

8061681 is a deficient number, since it is larger than the sum of its proper divisors (3645519).

8061681 is a wasteful number, since it uses less digits than its factorization.

8061681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4928.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8061681 is about 2839.3099513790. The cubic root of 8061681 is about 200.5126929401.

The spelling of 8061681 in words is "eight million, sixty-one thousand, six hundred eighty-one".