18250164 has 48 divisors (see below), whose sum is σ = 48955200. Its totient is φ = 5872608.

The previous prime is 18250159. The next prime is 18250171. The reversal of 18250164 is 46105281.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (1019900).

Almost surely, 2^18250164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18250164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24477600).

18250164 is an abundant number, since it is smaller than the sum of its proper divisors (30705036).

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

18250164 is a wasteful number, since it uses less digits than its factorization.

18250164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5861 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 18250164 is about 4272.0210673638. The cubic root of 18250164 is about 263.2826600496.

The spelling of 18250164 in words is "eighteen million, two hundred fifty thousand, one hundred sixty-four".