6651142 has 8 divisors (see below), whose sum is σ = 10024632. Its totient is φ = 3309600.

The previous prime is 6651133. The next prime is 6651149. The reversal of 6651142 is 2411566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6651149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7459 + ... + 8302.

It is an arithmetic number, because the mean of its divisors is an integer number (1253079).

Almost surely, 2^6651142 is an apocalyptic number.

6651142 is a deficient number, since it is larger than the sum of its proper divisors (3373490).

6651142 is a wasteful number, since it uses less digits than its factorization.

6651142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974.

The product of its digits is 1440, while the sum is 25.

The square root of 6651142 is about 2578.9808064427. The cubic root of 6651142 is about 188.0609995205.

The spelling of 6651142 in words is "six million, six hundred fifty-one thousand, one hundred forty-two".