16238668 has 12 divisors (see below), whose sum is σ = 29334592. Its totient is φ = 7857360.

The previous prime is 16238659. The next prime is 16238681. The reversal of 16238668 is 86683261.

It is a self number, because there is not a number n which added to its sum of digits gives 16238668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65355 + ... + 65602.

Almost surely, 2^16238668 is an apocalyptic number.

It is an amenable number.

16238668 is a deficient number, since it is larger than the sum of its proper divisors (13095924).

16238668 is a wasteful number, since it uses less digits than its factorization.

16238668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130992 (or 130990 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 16238668 is about 4029.7230674080. The cubic root of 16238668 is about 253.2309597130.

The spelling of 16238668 in words is "sixteen million, two hundred thirty-eight thousand, six hundred sixty-eight".