18106480 has 120 divisors (see below), whose sum is σ = 50889600. Its totient is φ = 5967360.

The previous prime is 18106477. The next prime is 18106489. The reversal of 18106480 is 8460181.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18106489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121446 + ... + 121594.

It is an arithmetic number, because the mean of its divisors is an integer number (424080).

Almost surely, 2^18106480 is an apocalyptic number.

18106480 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 18106480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25444800).

18106480 is an abundant number, since it is smaller than the sum of its proper divisors (32783120).

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

18106480 is a wasteful number, since it uses less digits than its factorization.

18106480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 18106480 is about 4255.1709718882. The cubic root of 18106480 is about 262.5898951371.

The spelling of 18106480 in words is "eighteen million, one hundred six thousand, four hundred eighty".