18146128 has 120 divisors (see below), whose sum is σ = 48024704. Its totient is φ = 6462720.

The previous prime is 18146101. The next prime is 18146147. The reversal of 18146128 is 82164181.

It is a super-2 number, since 2×18146128² = 658563922784768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18146128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176125 + ... + 176227.

Almost surely, 2^18146128 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 18146128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24012352).

18146128 is an abundant number, since it is smaller than the sum of its proper divisors (29878576).

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

18146128 is a wasteful number, since it uses less digits than its factorization.

18146128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 136 counting only the distinct ones).

The product of its digits is 3072, while the sum is 31.

The square root of 18146128 is about 4259.8272265433. The cubic root of 18146128 is about 262.7814209378.

The spelling of 18146128 in words is "eighteen million, one hundred forty-six thousand, one hundred twenty-eight".