16880641 has 8 divisors (see below), whose sum is σ = 17262720. Its totient is φ = 16502928.

The previous prime is 16880629. The next prime is 16880681. The reversal of 16880641 is 14608861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16880641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16880597 and 16880606.

It is not an unprimeable number, because it can be changed into a prime (16880681) 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, 7455 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (2157840).

Almost surely, 2^16880641 is an apocalyptic number.

It is an amenable number.

16880641 is a deficient number, since it is larger than the sum of its proper divisors (382079).

16880641 is a wasteful number, since it uses less digits than its factorization.

16880641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 16880641 is about 4108.6057245737. The cubic root of 16880641 is about 256.5249694821.

The spelling of 16880641 in words is "sixteen million, eight hundred eighty thousand, six hundred forty-one".