16290109 has 8 divisors (see below), whose sum is σ = 17919360. Its totient is φ = 14807980.

The previous prime is 16290089. The next prime is 16290119. The reversal of 16290109 is 90109261.

It is not a de Polignac number, because 16290109 - 2⁹ = 16289597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16290119) 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, 4789 + ... + 7450.

It is an arithmetic number, because the mean of its divisors is an integer number (2239920).

Almost surely, 2^16290109 is an apocalyptic number.

It is an amenable number.

16290109 is a deficient number, since it is larger than the sum of its proper divisors (1629251).

16290109 is an equidigital number, since it uses as much as digits as its factorization.

16290109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272 (or 12250 counting only the distinct ones).

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

The square root of 16290109 is about 4036.1007172765. The cubic root of 16290109 is about 253.4980736341.

The spelling of 16290109 in words is "sixteen million, two hundred ninety thousand, one hundred nine".