63323475966 has 12 divisors (see below), whose sum is σ = 137200864632. Its totient is φ = 21107825316.

The previous prime is 63323475949. The next prime is 63323475979. The reversal of 63323475966 is 66957432336.

It is a happy number.

63323475966 is a `hidden beast` number, since 6 + 3 + 3 + 2 + 3 + 47 + 596 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1758985426 + ... + 1758985461.

It is an arithmetic number, because the mean of its divisors is an integer number (11433405386).

Almost surely, 2^63323475966 is an apocalyptic number.

63323475966 is an abundant number, since it is smaller than the sum of its proper divisors (73877388666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63323475966 is a wasteful number, since it uses less digits than its factorization.

63323475966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517970895 (or 3517970892 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 54.

The spelling of 63323475966 in words is "sixty-three billion, three hundred twenty-three million, four hundred seventy-five thousand, nine hundred sixty-six".