18485064 has 128 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 5467392.

The previous prime is 18485057. The next prime is 18485087. The reversal of 18485064 is 46058481.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81319 + ... + 81545.

It is an arithmetic number, because the mean of its divisors is an integer number (448875).

Almost surely, 2^18485064 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 18485064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28728000).

18485064 is an abundant number, since it is smaller than the sum of its proper divisors (38970936).

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

18485064 is a wasteful number, since it uses less digits than its factorization.

18485064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18485064 is about 4299.4260082016. The cubic root of 18485064 is about 264.4074287468.

The spelling of 18485064 in words is "eighteen million, four hundred eighty-five thousand, sixty-four".