18486068 has 6 divisors (see below), whose sum is σ = 32350626. Its totient is φ = 9243032.

The previous prime is 18486053. The next prime is 18486077. The reversal of 18486068 is 86068481.

It can be written as a sum of positive squares in only one way, i.e., 18335524 + 150544 = 4282^2 + 388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310755 + ... + 2310762.

It is an arithmetic number, because the mean of its divisors is an integer number (5391771).

Almost surely, 2^18486068 is an apocalyptic number.

It is an amenable number.

18486068 is a deficient number, since it is larger than the sum of its proper divisors (13864558).

18486068 is a wasteful number, since it uses less digits than its factorization.

18486068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621521 (or 4621519 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 18486068 is about 4299.5427663881. The cubic root of 18486068 is about 264.4122156791.

The spelling of 18486068 in words is "eighteen million, four hundred eighty-six thousand, sixty-eight".