6663662 has 4 divisors (see below), whose sum is σ = 9995496. Its totient is φ = 3331830.

The previous prime is 6663653. The next prime is 6663673. The reversal of 6663662 is 2663666.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665914 + ... + 1665917.

It is an arithmetic number, because the mean of its divisors is an integer number (2498874).

Almost surely, 2^6663662 is an apocalyptic number.

6663662 is a deficient number, since it is larger than the sum of its proper divisors (3331834).

6663662 is a wasteful number, since it uses less digits than its factorization.

6663662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331833.

The product of its digits is 46656, while the sum is 35.

The square root of 6663662 is about 2581.4069806987. The cubic root of 6663662 is about 188.1789265314.

The spelling of 6663662 in words is "six million, six hundred sixty-three thousand, six hundred sixty-two".