89168644 has 12 divisors (see below), whose sum is σ = 156114000. Its totient is φ = 44564648.

The previous prime is 89168609. The next prime is 89168659. The reversal of 89168644 is 44686198.

It is a junction number, because it is equal to n+sod(n) for n = 89168594 and 89168603.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11007 + ... + 17305.

It is an arithmetic number, because the mean of its divisors is an integer number (13009500).

Almost surely, 2^89168644 is an apocalyptic number.

It is an amenable number.

89168644 is a deficient number, since it is larger than the sum of its proper divisors (66945356).

89168644 is a wasteful number, since it uses less digits than its factorization.

89168644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9842 (or 9840 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 89168644 is about 9442.9150160319. The cubic root of 89168644 is about 446.7563362955.

The spelling of 89168644 in words is "eighty-nine million, one hundred sixty-eight thousand, six hundred forty-four".