18526104 has 64 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 6130080.

The previous prime is 18526069. The next prime is 18526111. The reversal of 18526104 is 40162581.

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, 42769 + ... + 43199.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^18526104 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 18526104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25920000).

18526104 is an abundant number, since it is smaller than the sum of its proper divisors (33313896).

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

18526104 is a wasteful number, since it uses less digits than its factorization.

18526104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 635 counting only the distinct ones).

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

The square root of 18526104 is about 4304.1960921873. The cubic root of 18526104 is about 264.6029606674.

Adding to 18526104 its reverse (40162581), we get a palindrome (58688685).

The spelling of 18526104 in words is "eighteen million, five hundred twenty-six thousand, one hundred four".