6634666 has 8 divisors (see below), whose sum is σ = 10092384. Its totient is φ = 3270540.

The previous prime is 6634643. The next prime is 6634673. The reversal of 6634666 is 6664366.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23220 + ... + 23503.

It is an arithmetic number, because the mean of its divisors is an integer number (1261548).

Almost surely, 2^6634666 is an apocalyptic number.

6634666 is a deficient number, since it is larger than the sum of its proper divisors (3457718).

6634666 is a wasteful number, since it uses less digits than its factorization.

6634666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46796.

The product of its digits is 93312, while the sum is 37.

The square root of 6634666 is about 2575.7845406788. The cubic root of 6634666 is about 187.9055848538.

It can be divided in two parts, 663 and 4666, that added together give a square (5329 = 73²).

The spelling of 6634666 in words is "six million, six hundred thirty-four thousand, six hundred sixty-six".