16297797 has 32 divisors (see below), whose sum is σ = 23748480. Its totient is φ = 9918720.

The previous prime is 16297759. The next prime is 16297819. The reversal of 16297797 is 79779261.

It is not a de Polignac number, because 16297797 - 2²² = 12103493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16297717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196318 + ... + 196400.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^16297797 is an apocalyptic number.

It is an amenable number.

16297797 is a deficient number, since it is larger than the sum of its proper divisors (7450683).

16297797 is a wasteful number, since it uses less digits than its factorization.

16297797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its digits is 333396, while the sum is 48.

The square root of 16297797 is about 4037.0530093126. The cubic root of 16297797 is about 253.5379462276.

The spelling of 16297797 in words is "sixteen million, two hundred ninety-seven thousand, seven hundred ninety-seven".