16890201 has 16 divisors (see below), whose sum is σ = 25334720. Its totient is φ = 11258676.

The previous prime is 16890191. The next prime is 16890233. The reversal of 16890201 is 10209861.

It is not a de Polignac number, because 16890201 - 2⁵ = 16890169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16890001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1583420).

Almost surely, 2^16890201 is an apocalyptic number.

It is an amenable number.

16890201 is a deficient number, since it is larger than the sum of its proper divisors (8444519).

16890201 is an frugal number, since it uses more digits than its factorization.

16890201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7744 (or 7726 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 16890201 is about 4109.7689716090. The cubic root of 16890201 is about 256.5733862040.

The spelling of 16890201 in words is "sixteen million, eight hundred ninety thousand, two hundred one".