16656142 has 16 divisors (see below), whose sum is σ = 26210880. Its totient is φ = 7928928.

The previous prime is 16656139. The next prime is 16656169. The reversal of 16656142 is 24165661.

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, 1084 + ... + 5872.

It is an arithmetic number, because the mean of its divisors is an integer number (1638180).

Almost surely, 2^16656142 is an apocalyptic number.

16656142 is a deficient number, since it is larger than the sum of its proper divisors (9554738).

16656142 is a wasteful number, since it uses less digits than its factorization.

16656142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875.

The product of its digits is 8640, while the sum is 31.

The square root of 16656142 is about 4081.1936979271. The cubic root of 16656142 is about 255.3826984672.

The spelling of 16656142 in words is "sixteen million, six hundred fifty-six thousand, one hundred forty-two".