16688201 has 8 divisors (see below), whose sum is σ = 16917600. Its totient is φ = 16460640.

The previous prime is 16688183. The next prime is 16688207. The reversal of 16688201 is 10288661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16688201 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16688207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29045 + ... + 29613.

It is an arithmetic number, because the mean of its divisors is an integer number (2114700).

Almost surely, 2^16688201 is an apocalyptic number.

It is an amenable number.

16688201 is a deficient number, since it is larger than the sum of its proper divisors (229399).

16688201 is a wasteful number, since it uses less digits than its factorization.

16688201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 16688201 is about 4085.1194596976. The cubic root of 16688201 is about 255.5464432024.

The spelling of 16688201 in words is "sixteen million, six hundred eighty-eight thousand, two hundred one".