80581696 has 56 divisors (see below), whose sum is σ = 179734464. Its totient is φ = 35566080.

The previous prime is 80581693. The next prime is 80581727. The reversal of 80581696 is 69618508.

It is not an unprimeable number, because it can be changed into a prime (80581693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17031 + ... + 21241.

It is an arithmetic number, because the mean of its divisors is an integer number (3209544).

Almost surely, 2^80581696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80581696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89867232).

80581696 is an abundant number, since it is smaller than the sum of its proper divisors (99152768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80581696 is a wasteful number, since it uses less digits than its factorization.

80581696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259 (or 4249 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 80581696 is about 8976.7308080392. The cubic root of 80581696 is about 431.9287719786.

The spelling of 80581696 in words is "eighty million, five hundred eighty-one thousand, six hundred ninety-six".