89201660 has 12 divisors (see below), whose sum is σ = 187323528. Its totient is φ = 35680656.

The previous prime is 89201647. The next prime is 89201689. The reversal of 89201660 is 6610298.

It is a super-2 number, since 2×89201660² = 15913872293511200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2230022 + ... + 2230061.

It is an arithmetic number, because the mean of its divisors is an integer number (15610294).

Almost surely, 2^89201660 is an apocalyptic number.

It is an amenable number.

89201660 is an abundant number, since it is smaller than the sum of its proper divisors (98121868).

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

89201660 is a wasteful number, since it uses less digits than its factorization.

89201660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460092 (or 4460090 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 89201660 is about 9444.6630432218. The cubic root of 89201660 is about 446.8114688564.

The spelling of 89201660 in words is "eighty-nine million, two hundred one thousand, six hundred sixty".