16981214 has 8 divisors (see below), whose sum is σ = 25490808. Its totient is φ = 8484280.

The previous prime is 16981207. The next prime is 16981243. The reversal of 16981214 is 41218961.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664 + ... + 6060.

It is an arithmetic number, because the mean of its divisors is an integer number (3186351).

Almost surely, 2^16981214 is an apocalyptic number.

16981214 is a deficient number, since it is larger than the sum of its proper divisors (8509594).

16981214 is a wasteful number, since it uses less digits than its factorization.

16981214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330.

The product of its digits is 3456, while the sum is 32.

The square root of 16981214 is about 4120.8268587748. The cubic root of 16981214 is about 257.0334102426.

The spelling of 16981214 in words is "sixteen million, nine hundred eighty-one thousand, two hundred fourteen".