18802668 has 12 divisors (see below), whose sum is σ = 43872920. Its totient is φ = 6267552.

The previous prime is 18802657. The next prime is 18802673. The reversal of 18802668 is 86620881.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783433 + ... + 783456.

Almost surely, 2^18802668 is an apocalyptic number.

It is an amenable number.

18802668 is an abundant number, since it is smaller than the sum of its proper divisors (25070252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18802668 is a wasteful number, since it uses less digits than its factorization.

18802668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566896 (or 1566894 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 18802668 is about 4336.2043309789. The cubic root of 18802668 is about 265.9131568694.

The spelling of 18802668 in words is "eighteen million, eight hundred two thousand, six hundred sixty-eight".