89520165 has 24 divisors (see below), whose sum is σ = 177335808. Its totient is φ = 40923360.

The previous prime is 89520161. The next prime is 89520217. The reversal of 89520165 is 56102598.

It is a happy number.

It is not a de Polignac number, because 89520165 - 2² = 89520161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89520161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141781 + ... + 142410.

It is an arithmetic number, because the mean of its divisors is an integer number (7388992).

Almost surely, 2^89520165 is an apocalyptic number.

It is an amenable number.

89520165 is a deficient number, since it is larger than the sum of its proper divisors (87815643).

89520165 is a wasteful number, since it uses less digits than its factorization.

89520165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284209 (or 284206 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 89520165 is about 9461.5096575547. The cubic root of 89520165 is about 447.3426347633.

The spelling of 89520165 in words is "eighty-nine million, five hundred twenty thousand, one hundred sixty-five".