6633668 has 6 divisors (see below), whose sum is σ = 11608926. Its totient is φ = 3316832.

The previous prime is 6633667. The next prime is 6633701. The reversal of 6633668 is 8663366.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6160324 + 473344 = 2482^2 + 688^2 .

It is a super-2 number, since 2×6633668² = 88011102268448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6633661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829205 + ... + 829212.

It is an arithmetic number, because the mean of its divisors is an integer number (1934821).

Almost surely, 2^6633668 is an apocalyptic number.

It is an amenable number.

6633668 is a deficient number, since it is larger than the sum of its proper divisors (4975258).

6633668 is a wasteful number, since it uses less digits than its factorization.

6633668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658421 (or 1658419 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 6633668 is about 2575.5908060094. The cubic root of 6633668 is about 187.8961626675.

The spelling of 6633668 in words is "six million, six hundred thirty-three thousand, six hundred sixty-eight".