16990201 has 8 divisors (see below), whose sum is σ = 18144000. Its totient is φ = 15874320.

The previous prime is 16990177. The next prime is 16990213. The reversal of 16990201 is 10209961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16990201 - 2⁹ = 16989689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16990201.

It is not an unprimeable number, because it can be changed into a prime (16990291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8551 + ... + 10348.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^16990201 is an apocalyptic number.

It is an amenable number.

16990201 is a deficient number, since it is larger than the sum of its proper divisors (1153799).

16990201 is a wasteful number, since it uses less digits than its factorization.

16990201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18959.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 16990201 is about 4121.9171510354. The cubic root of 16990201 is about 257.0787456718.

The spelling of 16990201 in words is "sixteen million, nine hundred ninety thousand, two hundred one".