96668581 has 4 divisors (see below), whose sum is σ = 96695200. Its totient is φ = 96641964.

The previous prime is 96668573. The next prime is 96668603. The reversal of 96668581 is 18586669.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 96668581 - 2³ = 96668573 is a prime.

It is a super-2 number, since 2×96668581² = 18689629105107122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (96668521) 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 3 ways as a sum of consecutive naturals, for example, 6801 + ... + 15478.

It is an arithmetic number, because the mean of its divisors is an integer number (24173800).

Almost surely, 2^96668581 is an apocalyptic number.

It is an amenable number.

96668581 is a deficient number, since it is larger than the sum of its proper divisors (26619).

96668581 is a wasteful number, since it uses less digits than its factorization.

96668581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26618.

The product of its digits is 622080, while the sum is 49.

The square root of 96668581 is about 9832.0181549873. The cubic root of 96668581 is about 458.9462030510.

The spelling of 96668581 in words is "ninety-six million, six hundred sixty-eight thousand, five hundred eighty-one".