16297707 has 4 divisors (see below), whose sum is σ = 21730280. Its totient is φ = 10865136.

The previous prime is 16297693. The next prime is 16297711. The reversal of 16297707 is 70779261.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16297707 - 2⁴ = 16297691 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 2716282 + ... + 2716287.

It is an arithmetic number, because the mean of its divisors is an integer number (5432570).

Almost surely, 2^16297707 is an apocalyptic number.

16297707 is a deficient number, since it is larger than the sum of its proper divisors (5432573).

16297707 is an equidigital number, since it uses as much as digits as its factorization.

16297707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432572.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 16297707 is about 4037.0418625523. The cubic root of 16297707 is about 253.5374795294.

The spelling of 16297707 in words is "sixteen million, two hundred ninety-seven thousand, seven hundred seven".