63323966 has 4 divisors (see below), whose sum is σ = 94985952. Its totient is φ = 31661982.

The previous prime is 63323927. The next prime is 63323971. The reversal of 63323966 is 66932336.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15830990 + ... + 15830993.

It is an arithmetic number, because the mean of its divisors is an integer number (23746488).

Almost surely, 2^63323966 is an apocalyptic number.

63323966 is a deficient number, since it is larger than the sum of its proper divisors (31661986).

63323966 is a wasteful number, since it uses less digits than its factorization.

63323966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31661985.

The product of its digits is 104976, while the sum is 38.

The square root of 63323966 is about 7957.6357041523. The cubic root of 63323966 is about 398.5866075199.

The spelling of 63323966 in words is "sixty-three million, three hundred twenty-three thousand, nine hundred sixty-six".