16685142 has 32 divisors (see below), whose sum is σ = 34525440. Its totient is φ = 5372640.

The previous prime is 16685129. The next prime is 16685167. The reversal of 16685142 is 24158661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22209 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (1078920).

Almost surely, 2^16685142 is an apocalyptic number.

16685142 is an abundant number, since it is smaller than the sum of its proper divisors (17840298).

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

16685142 is a wasteful number, since it uses less digits than its factorization.

16685142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its digits is 11520, while the sum is 33.

The square root of 16685142 is about 4084.7450348828. The cubic root of 16685142 is about 255.5308280912.

The spelling of 16685142 in words is "sixteen million, six hundred eighty-five thousand, one hundred forty-two".