6663146 has 16 divisors (see below), whose sum is σ = 11919744. Its totient is φ = 2731344.

The previous prime is 6663121. The next prime is 6663179. The reversal of 6663146 is 6413666.

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, 10025 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (744984).

Almost surely, 2^6663146 is an apocalyptic number.

6663146 is a deficient number, since it is larger than the sum of its proper divisors (5256598).

6663146 is a wasteful number, since it uses less digits than its factorization.

6663146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20725.

The product of its digits is 15552, while the sum is 32.

The square root of 6663146 is about 2581.3070332682. The cubic root of 6663146 is about 188.1740692006.

The spelling of 6663146 in words is "six million, six hundred sixty-three thousand, one hundred forty-six".