18082064 has 80 divisors (see below), whose sum is σ = 47080320. Its totient is φ = 6497280.

The previous prime is 18082019. The next prime is 18082087. The reversal of 18082064 is 46028081.

It is a super-2 number, since 2×18082064² = 653922077000192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15452 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (588504).

Almost surely, 2^18082064 is an apocalyptic number.

18082064 is a gapful number since it is divisible by the number (14) 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 18082064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23540160).

18082064 is an abundant number, since it is smaller than the sum of its proper divisors (28998256).

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

18082064 is a wasteful number, since it uses less digits than its factorization.

18082064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 18082064 is about 4252.3010241515. The cubic root of 18082064 is about 262.4718107295.

The spelling of 18082064 in words is "eighteen million, eighty-two thousand, sixty-four".