16880297 has 4 divisors (see below), whose sum is σ = 19291776. Its totient is φ = 14468820.

The previous prime is 16880293. The next prime is 16880309. The reversal of 16880297 is 79208861.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79208861 = 6781 ⋅11681.

It is a cyclic number.

It is not a de Polignac number, because 16880297 - 2² = 16880293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16880293) 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, 1205729 + ... + 1205742.

It is an arithmetic number, because the mean of its divisors is an integer number (4822944).

Almost surely, 2^16880297 is an apocalyptic number.

It is an amenable number.

16880297 is a deficient number, since it is larger than the sum of its proper divisors (2411479).

16880297 is an equidigital number, since it uses as much as digits as its factorization.

16880297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411478.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 16880297 is about 4108.5638610103. The cubic root of 16880297 is about 256.5232269497.

The spelling of 16880297 in words is "sixteen million, eight hundred eighty thousand, two hundred ninety-seven".