16994142 has 24 divisors (see below), whose sum is σ = 40168440. Its totient is φ = 5149680.

The previous prime is 16994141. The next prime is 16994147. The reversal of 16994142 is 24149961.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16994097 and 16994106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16994141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42717 + ... + 43112.

It is an arithmetic number, because the mean of its divisors is an integer number (1673685).

Almost surely, 2^16994142 is an apocalyptic number.

16994142 is an abundant number, since it is smaller than the sum of its proper divisors (23174298).

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

16994142 is a wasteful number, since it uses less digits than its factorization.

16994142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85848 (or 85845 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16994142 is about 4122.3951775636. The cubic root of 16994142 is about 257.0986212266.

The spelling of 16994142 in words is "sixteen million, nine hundred ninety-four thousand, one hundred forty-two".