18064501 has 16 divisors (see below), whose sum is σ = 22377600. Its totient is φ = 14200128.

The previous prime is 18064481. The next prime is 18064511. The reversal of 18064501 is 10546081.

It is a cyclic number.

It is not a de Polignac number, because 18064501 - 2⁷ = 18064373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18064511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15735 + ... + 16843.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^18064501 is an apocalyptic number.

It is an amenable number.

18064501 is a deficient number, since it is larger than the sum of its proper divisors (4313099).

18064501 is a wasteful number, since it uses less digits than its factorization.

18064501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 18064501 is about 4250.2354052452. The cubic root of 18064501 is about 262.3868041045.

The spelling of 18064501 in words is "eighteen million, sixty-four thousand, five hundred one".