80610681 has 16 divisors (see below), whose sum is σ = 110626560. Its totient is φ = 52182480.

The previous prime is 80610671. The next prime is 80610701. The reversal of 80610681 is 18601608.

It is not a de Polignac number, because 80610681 - 2⁷ = 80610553 is a prime.

It is a super-2 number, since 2×80610681² = 12996163782567522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80610611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21346 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (6914160).

Almost surely, 2^80610681 is an apocalyptic number.

It is an amenable number.

80610681 is a deficient number, since it is larger than the sum of its proper divisors (30015879).

80610681 is a wasteful number, since it uses less digits than its factorization.

80610681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716.

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

The square root of 80610681 is about 8978.3451147748. The cubic root of 80610681 is about 431.9805536085.

The spelling of 80610681 in words is "eighty million, six hundred ten thousand, six hundred eighty-one".