18533064 has 32 divisors (see below), whose sum is σ = 50545440. Its totient is φ = 5616000.

The previous prime is 18533033. The next prime is 18533083. The reversal of 18533064 is 46033581.

18533064 = 233² + 234² + ... + 408².

It is a super-2 number, since 2×18533064² = 686948922456192, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34837 + ... + 35364.

It is an arithmetic number, because the mean of its divisors is an integer number (1579545).

Almost surely, 2^18533064 is an apocalyptic number.

It is an amenable number.

18533064 is an abundant number, since it is smaller than the sum of its proper divisors (32012376).

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

18533064 is a wasteful number, since it uses less digits than its factorization.

18533064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70221 (or 70217 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 18533064 is about 4305.0045296143. The cubic root of 18533064 is about 264.6360924046.

The spelling of 18533064 in words is "eighteen million, five hundred thirty-three thousand, sixty-four".