16886140 has 24 divisors (see below), whose sum is σ = 37003680. Its totient is φ = 6460608.

The previous prime is 16886123. The next prime is 16886153. The reversal of 16886140 is 4168861.

It is a junction number, because it is equal to n+sod(n) for n = 16886096 and 16886105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17895 + ... + 18814.

It is an arithmetic number, because the mean of its divisors is an integer number (1541820).

Almost surely, 2^16886140 is an apocalyptic number.

16886140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16886140 is an abundant number, since it is smaller than the sum of its proper divisors (20117540).

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

16886140 is a wasteful number, since it uses less digits than its factorization.

16886140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36741 (or 36739 counting only the distinct ones).

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

The square root of 16886140 is about 4109.2748752061. The cubic root of 16886140 is about 256.5528214588.

The spelling of 16886140 in words is "sixteen million, eight hundred eighty-six thousand, one hundred forty".