89066661 has 32 divisors (see below), whose sum is σ = 128419200. Its totient is φ = 54743040.

The previous prime is 89066657. The next prime is 89066701. The reversal of 89066661 is 16666098.

It is not a de Polignac number, because 89066661 - 2² = 89066657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89066561) 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 31 ways as a sum of consecutive naturals, for example, 491991 + ... + 492171.

It is an arithmetic number, because the mean of its divisors is an integer number (4013100).

Almost surely, 2^89066661 is an apocalyptic number.

It is an amenable number.

89066661 is a deficient number, since it is larger than the sum of its proper divisors (39352539).

89066661 is a wasteful number, since it uses less digits than its factorization.

89066661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 89066661 is about 9437.5134966791. The cubic root of 89066661 is about 446.5859515423.

The spelling of 89066661 in words is "eighty-nine million, sixty-six thousand, six hundred sixty-one".