89161331 has 12 divisors (see below), whose sum is σ = 105479640. Its totient is φ = 75126240.

The previous prime is 89161327. The next prime is 89161337. The reversal of 89161331 is 13316198.

It is not a de Polignac number, because 89161331 - 2² = 89161327 is a prime.

It is a super-2 number, since 2×89161331² = 15899485891383122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89161337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12530 + ... + 18311.

It is an arithmetic number, because the mean of its divisors is an integer number (8789970).

Almost surely, 2^89161331 is an apocalyptic number.

89161331 is a deficient number, since it is larger than the sum of its proper divisors (16318309).

89161331 is a wasteful number, since it uses less digits than its factorization.

89161331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30914 (or 30907 counting only the distinct ones).

The product of its digits is 3888, while the sum is 32.

The square root of 89161331 is about 9442.5277865622. The cubic root of 89161331 is about 446.7441226658.

The spelling of 89161331 in words is "eighty-nine million, one hundred sixty-one thousand, three hundred thirty-one".