16290668 has 6 divisors (see below), whose sum is σ = 28508676. Its totient is φ = 8145332.

The previous prime is 16290613. The next prime is 16290691. The reversal of 16290668 is 86609261.

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 as a sum of consecutive naturals, namely, 2036330 + ... + 2036337.

It is an arithmetic number, because the mean of its divisors is an integer number (4751446).

Almost surely, 2^16290668 is an apocalyptic number.

It is an amenable number.

16290668 is a deficient number, since it is larger than the sum of its proper divisors (12218008).

16290668 is a wasteful number, since it uses less digits than its factorization.

16290668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072671 (or 4072669 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 16290668 is about 4036.1699666887. The cubic root of 16290668 is about 253.5009732219.

The spelling of 16290668 in words is "sixteen million, two hundred ninety thousand, six hundred sixty-eight".