16568897 has 8 divisors (see below), whose sum is σ = 17581536. Its totient is φ = 15560512.

The previous prime is 16568891. The next prime is 16568941. The reversal of 16568897 is 79886561.

It is a happy number.

16568897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16568897 - 2⁸ = 16568641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16568891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10898 + ... + 12324.

It is an arithmetic number, because the mean of its divisors is an integer number (2197692).

Almost surely, 2^16568897 is an apocalyptic number.

16568897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16568897 is a deficient number, since it is larger than the sum of its proper divisors (1012639).

16568897 is a wasteful number, since it uses less digits than its factorization.

16568897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its digits is 725760, while the sum is 50.

The square root of 16568897 is about 4070.4910023239. The cubic root of 16568897 is about 254.9360188064.

The spelling of 16568897 in words is "sixteen million, five hundred sixty-eight thousand, eight hundred ninety-seven".