6659142 has 16 divisors (see below), whose sum is σ = 15220992. Its totient is φ = 1902600.

The previous prime is 6659113. The next prime is 6659201. The reversal of 6659142 is 2419566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79234 + ... + 79317.

It is an arithmetic number, because the mean of its divisors is an integer number (951312).

Almost surely, 2^6659142 is an apocalyptic number.

6659142 is an abundant number, since it is smaller than the sum of its proper divisors (8561850).

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

6659142 is a wasteful number, since it uses less digits than its factorization.

6659142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158563.

The product of its digits is 12960, while the sum is 33.

The square root of 6659142 is about 2580.5313406351. The cubic root of 6659142 is about 188.1363692941.

The spelling of 6659142 in words is "six million, six hundred fifty-nine thousand, one hundred forty-two".