18053764 has 24 divisors (see below), whose sum is σ = 32366880. Its totient is φ = 8808576.

The previous prime is 18053731. The next prime is 18053767. The reversal of 18053764 is 46735081.

It is not an unprimeable number, because it can be changed into a prime (18053767) by changing a digit.

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, 53404 + ... + 53740.

It is an arithmetic number, because the mean of its divisors is an integer number (1348620).

Almost surely, 2^18053764 is an apocalyptic number.

It is an amenable number.

18053764 is a deficient number, since it is larger than the sum of its proper divisors (14313116).

18053764 is a wasteful number, since it uses less digits than its factorization.

18053764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 18053764 is about 4248.9721109934. The cubic root of 18053764 is about 262.3348088411.

The spelling of 18053764 in words is "eighteen million, fifty-three thousand, seven hundred sixty-four".