16662142 has 16 divisors (see below), whose sum is σ = 30244320. Its totient is φ = 6720768.

The previous prime is 16662103. The next prime is 16662157. The reversal of 16662142 is 24126661.

16662142 is a modest number, since divided by 2142 gives 1666 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 16662142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34767 + ... + 35242.

It is an arithmetic number, because the mean of its divisors is an integer number (1890270).

Almost surely, 2^16662142 is an apocalyptic number.

16662142 is a deficient number, since it is larger than the sum of its proper divisors (13582178).

16662142 is a wasteful number, since it uses less digits than its factorization.

16662142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70035.

The product of its digits is 3456, while the sum is 28.

The square root of 16662142 is about 4081.9287107935. The cubic root of 16662142 is about 255.4133600741.

The spelling of 16662142 in words is "sixteen million, six hundred sixty-two thousand, one hundred forty-two".