18682064 has 20 divisors (see below), whose sum is σ = 36520356. Its totient is φ = 9257472.

The previous prime is 18682063. The next prime is 18682091. The reversal of 18682064 is 46028681.

It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 13017664 = 2380^2 + 3608^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18682063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3359 + ... + 6974.

Almost surely, 2^18682064 is an apocalyptic number.

It is an amenable number.

18682064 is a deficient number, since it is larger than the sum of its proper divisors (17838292).

18682064 is a wasteful number, since it uses less digits than its factorization.

18682064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10454 (or 10448 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 18682064 is about 4322.2753267232. The cubic root of 18682064 is about 265.3433972317.

The spelling of 18682064 in words is "eighteen million, six hundred eighty-two thousand, sixty-four".