16997337 has 32 divisors (see below), whose sum is σ = 29030400. Its totient is φ = 9627984.

The previous prime is 16997333. The next prime is 16997353. The reversal of 16997337 is 73379961.

It is not a de Polignac number, because 16997337 - 2² = 16997333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16997292 and 16997301.

It is not an unprimeable number, because it can be changed into a prime (16997333) 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 31 ways as a sum of consecutive naturals, for example, 25948 + ... + 26594.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^16997337 is an apocalyptic number.

It is an amenable number.

16997337 is a deficient number, since it is larger than the sum of its proper divisors (12033063).

16997337 is a wasteful number, since it uses less digits than its factorization.

16997337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 796 counting only the distinct ones).

The product of its digits is 214326, while the sum is 45.

The square root of 16997337 is about 4122.7826767852. The cubic root of 16997337 is about 257.1147322414.

The spelling of 16997337 in words is "sixteen million, nine hundred ninety-seven thousand, three hundred thirty-seven".