18066902 has 16 divisors (see below), whose sum is σ = 31069440. Its totient is φ = 7718568.

The previous prime is 18066899. The next prime is 18066943. The reversal of 18066902 is 20966081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999 + ... + 6717.

It is an arithmetic number, because the mean of its divisors is an integer number (1941840).

Almost surely, 2^18066902 is an apocalyptic number.

18066902 is a deficient number, since it is larger than the sum of its proper divisors (13002538).

18066902 is a wasteful number, since it uses less digits than its factorization.

18066902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 18066902 is about 4250.5178508036. The cubic root of 18066902 is about 262.3984284279.

The spelling of 18066902 in words is "eighteen million, sixty-six thousand, nine hundred two".