16842880 has 32 divisors (see below), whose sum is σ = 40266540. Its totient is φ = 6736896.

The previous prime is 16842863. The next prime is 16842883. The reversal of 16842880 is 8824861.

It can be written as a sum of positive squares in 2 ways, for example, as 16842816 + 64 = 4104^2 + 8^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (16842883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12519 + ... + 13798.

Almost surely, 2^16842880 is an apocalyptic number.

16842880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16842880 is an abundant number, since it is smaller than the sum of its proper divisors (23423660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16842880 is an equidigital number, since it uses as much as digits as its factorization.

16842880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26336 (or 26324 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 16842880 is about 4104.0077972635. The cubic root of 16842880 is about 256.3335495951. Note that the first 3 decimals are identical.

The spelling of 16842880 in words is "sixteen million, eight hundred forty-two thousand, eight hundred eighty".