89814187165 has 16 divisors (see below), whose sum is σ = 109851390000. Its totient is φ = 70469448192.

The previous prime is 89814187159. The next prime is 89814187201. The reversal of 89814187165 is 56178141898.

It can be written as a sum of positive squares in 8 ways, for example, as 11690583129 + 78123604036 = 108123^2 + 279506^2 .

It is a cyclic number.

It is not a de Polignac number, because 89814187165 - 2⁹ = 89814186653 is a prime.

It is a super-2 number, since 2×89814187165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666841 + ... + 790129.

It is an arithmetic number, because the mean of its divisors is an integer number (6865711875).

Almost surely, 2^89814187165 is an apocalyptic number.

It is an amenable number.

89814187165 is a deficient number, since it is larger than the sum of its proper divisors (20037202835).

89814187165 is a wasteful number, since it uses less digits than its factorization.

89814187165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126096.

The product of its digits is 3870720, while the sum is 58.

The spelling of 89814187165 in words is "eighty-nine billion, eight hundred fourteen million, one hundred eighty-seven thousand, one hundred sixty-five".