16880647 has 12 divisors (see below), whose sum is σ = 20271936. Its totient is φ = 14001120.

The previous prime is 16880629. The next prime is 16880681. The reversal of 16880647 is 74608861.

It is not a de Polignac number, because 16880647 - 2¹⁵ = 16847879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16880627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4038 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (1689328).

Almost surely, 2^16880647 is an apocalyptic number.

16880647 is a deficient number, since it is larger than the sum of its proper divisors (3391289).

16880647 is a wasteful number, since it uses less digits than its factorization.

16880647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11158 (or 11151 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 16880647 is about 4108.6064547484. The cubic root of 16880647 is about 256.5249998749.

The spelling of 16880647 in words is "sixteen million, eight hundred eighty thousand, six hundred forty-seven".