18130176 has 144 divisors (see below), whose sum is σ = 55760320. Its totient is φ = 5806080.

The previous prime is 18130153. The next prime is 18130193. The reversal of 18130176 is 67103181.

It is a tau number, because it is divible by the number of its divisors (144).

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 (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297186 + ... + 297246.

Almost surely, 2^18130176 is an apocalyptic number.

18130176 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18130176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27880160).

18130176 is an abundant number, since it is smaller than the sum of its proper divisors (37630144).

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

18130176 is an equidigital number, since it uses as much as digits as its factorization.

18130176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 18130176 is about 4257.9544384599. The cubic root of 18130176 is about 262.7043959076.

The spelling of 18130176 in words is "eighteen million, one hundred thirty thousand, one hundred seventy-six".