16880745 has 64 divisors (see below), whose sum is σ = 33523200. Its totient is φ = 7225344.

The previous prime is 16880741. The next prime is 16880753. The reversal of 16880745 is 54708861.

It is not a de Polignac number, because 16880745 - 2² = 16880741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16880741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87369 + ... + 87561.

It is an arithmetic number, because the mean of its divisors is an integer number (523800).

Almost surely, 2^16880745 is an apocalyptic number.

16880745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16880745 is a deficient number, since it is larger than the sum of its proper divisors (16642455).

16880745 is a wasteful number, since it uses less digits than its factorization.

16880745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 16880745 is about 4108.6183809159. The cubic root of 16880745 is about 256.5254962895.

The spelling of 16880745 in words is "sixteen million, eight hundred eighty thousand, seven hundred forty-five".