89916387163 has 4 divisors (see below), whose sum is σ = 91148118568. Its totient is φ = 88684655760.

The previous prime is 89916387109. The next prime is 89916387203. The reversal of 89916387163 is 36178361998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36178361998 = 2 ⋅18089180999.

It is a cyclic number.

It is not a de Polignac number, because 89916387163 - 2²⁵ = 89882832731 is a prime.

It is a super-2 number, since 2×89916387163² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89916387103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615865593 + ... + 615865738.

It is an arithmetic number, because the mean of its divisors is an integer number (22787029642).

Almost surely, 2^89916387163 is an apocalyptic number.

89916387163 is a deficient number, since it is larger than the sum of its proper divisors (1231731405).

89916387163 is a wasteful number, since it uses less digits than its factorization.

89916387163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231731404.

The product of its digits is 11757312, while the sum is 61.

The spelling of 89916387163 in words is "eighty-nine billion, nine hundred sixteen million, three hundred eighty-seven thousand, one hundred sixty-three".