6663042 has 12 divisors (see below), whose sum is σ = 14436630. Its totient is φ = 2221008.

The previous prime is 6663029. The next prime is 6663043. The reversal of 6663042 is 2403666.

It can be written as a sum of positive squares in only one way, i.e., 5022081 + 1640961 = 2241^2 + 1281^2 .

It is a super-2 number, since 2×6663042² = 88792257387528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6662997 and 6663015.

It is not an unprimeable number, because it can be changed into a prime (6663043) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 185067 + ... + 185102.

Almost surely, 2^6663042 is an apocalyptic number.

6663042 is an abundant number, since it is smaller than the sum of its proper divisors (7773588).

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

6663042 is a wasteful number, since it uses less digits than its factorization.

6663042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370177 (or 370174 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 6663042 is about 2581.2868883563. The cubic root of 6663042 is about 188.1730901733.

The spelling of 6663042 in words is "six million, six hundred sixty-three thousand, forty-two".