18546068 has 12 divisors (see below), whose sum is σ = 32486580. Its totient is φ = 9264192.

The previous prime is 18546067. The next prime is 18546079. The reversal of 18546068 is 86064581.

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 6240004 = 3508^2 + 2498^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18546061) 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, 5480 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (2707215).

Almost surely, 2^18546068 is an apocalyptic number.

It is an amenable number.

18546068 is a deficient number, since it is larger than the sum of its proper divisors (13940512).

18546068 is a wasteful number, since it uses less digits than its factorization.

18546068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 18546068 is about 4306.5145999985. The cubic root of 18546068 is about 264.6979732171.

The spelling of 18546068 in words is "eighteen million, five hundred forty-six thousand, sixty-eight".