16009197 has 16 divisors (see below), whose sum is σ = 22052160. Its totient is φ = 10323072.

The previous prime is 16009193. The next prime is 16009211. The reversal of 16009197 is 79190061.

It is not a de Polignac number, because 16009197 - 2² = 16009193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16009193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25554 + ... + 26172.

It is an arithmetic number, because the mean of its divisors is an integer number (1378260).

Almost surely, 2^16009197 is an apocalyptic number.

It is an amenable number.

16009197 is a deficient number, since it is larger than the sum of its proper divisors (6042963).

16009197 is a wasteful number, since it uses less digits than its factorization.

16009197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 16009197 is about 4001.1494598428. The cubic root of 16009197 is about 252.0324819556.

The spelling of 16009197 in words is "sixteen million, nine thousand, one hundred ninety-seven".