89162018 has 16 divisors (see below), whose sum is σ = 146223360. Its totient is φ = 40438800.

The previous prime is 89162011. The next prime is 89162023. The reversal of 89162018 is 81026198.

It is not an unprimeable number, because it can be changed into a prime (89162011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308 + ... + 14768.

It is an arithmetic number, because the mean of its divisors is an integer number (9138960).

Almost surely, 2^89162018 is an apocalyptic number.

89162018 is a deficient number, since it is larger than the sum of its proper divisors (57061342).

89162018 is a wasteful number, since it uses less digits than its factorization.

89162018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8953.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 89162018 is about 9442.5641644630. The cubic root of 89162018 is about 446.7452700706.

The spelling of 89162018 in words is "eighty-nine million, one hundred sixty-two thousand, eighteen".