16880645 has 8 divisors (see below), whose sum is σ = 21323040. Its totient is φ = 12793680.

The previous prime is 16880629. The next prime is 16880681. The reversal of 16880645 is 54608861.

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

It is not a de Polignac number, because 16880645 - 2⁴ = 16880629 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16880599 and 16880608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88751 + ... + 88940.

It is an arithmetic number, because the mean of its divisors is an integer number (2665380).

Almost surely, 2^16880645 is an apocalyptic number.

It is an amenable number.

16880645 is a deficient number, since it is larger than the sum of its proper divisors (4442395).

16880645 is a wasteful number, since it uses less digits than its factorization.

16880645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177715.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 16880645 is about 4108.6062113568. The cubic root of 16880645 is about 256.5249897439.

The spelling of 16880645 in words is "sixteen million, eight hundred eighty thousand, six hundred forty-five".