16490885 has 16 divisors (see below), whose sum is σ = 20784384. Its totient is φ = 12536832.

The previous prime is 16490857. The next prime is 16490891. The reversal of 16490885 is 58809461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16490885 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 21824 + ... + 22566.

It is an arithmetic number, because the mean of its divisors is an integer number (1299024).

Almost surely, 2^16490885 is an apocalyptic number.

It is an amenable number.

16490885 is a deficient number, since it is larger than the sum of its proper divisors (4293499).

16490885 is a wasteful number, since it uses less digits than its factorization.

16490885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 16490885 is about 4060.8970683828. The cubic root of 16490885 is about 254.5352807274.

The spelling of 16490885 in words is "sixteen million, four hundred ninety thousand, eight hundred eighty-five".