663074966 has 32 divisors (see below), whose sum is σ = 1064448000. Its totient is φ = 309228192.

The previous prime is 663074957. The next prime is 663074969. The reversal of 663074966 is 669470366.

663074966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 663074966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663074969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213815 + ... + 216893.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2^663074966 is an apocalyptic number.

663074966 is a deficient number, since it is larger than the sum of its proper divisors (401373034).

663074966 is a wasteful number, since it uses less digits than its factorization.

663074966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 663074966 is about 25750.2420571147. The cubic root of 663074966 is about 872.0088191390.

The spelling of 663074966 in words is "six hundred sixty-three million, seventy-four thousand, nine hundred sixty-six".