16680097 has 4 divisors (see below), whose sum is σ = 19062976. Its totient is φ = 14297220.

The previous prime is 16680091. The next prime is 16680137. The reversal of 16680097 is 79008661.

16680097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16680097 - 2³ = 16680089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16680091) 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, 1191429 + ... + 1191442.

It is an arithmetic number, because the mean of its divisors is an integer number (4765744).

Almost surely, 2^16680097 is an apocalyptic number.

It is an amenable number.

16680097 is a deficient number, since it is larger than the sum of its proper divisors (2382879).

16680097 is an equidigital number, since it uses as much as digits as its factorization.

16680097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382878.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 16680097 is about 4084.1274465913. The cubic root of 16680097 is about 255.5050709839.

The spelling of 16680097 in words is "sixteen million, six hundred eighty thousand, ninety-seven".