18522960 has 80 divisors (see below), whose sum is σ = 58014144. Its totient is φ = 4888576.

The previous prime is 18522953. The next prime is 18522961. The reversal of 18522960 is 6922581.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18522961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26779 + ... + 27461.

Almost surely, 2^18522960 is an apocalyptic number.

18522960 is a gapful number since it is divisible by the number (10) 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 18522960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29007072).

18522960 is an abundant number, since it is smaller than the sum of its proper divisors (39491184).

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

18522960 is a wasteful number, since it uses less digits than its factorization.

18522960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 18522960 is about 4303.8308516948. The cubic root of 18522960 is about 264.5879915411.

The spelling of 18522960 in words is "eighteen million, five hundred twenty-two thousand, nine hundred sixty".