63316356572 has 24 divisors (see below), whose sum is σ = 128235663360. Its totient is φ = 26792092080.

The previous prime is 63316356569. The next prime is 63316356583. The reversal of 63316356572 is 27565361336.

It is a happy number.

It is a super-2 number, since 2×63316356572² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14309804 + ... + 14314227.

It is an arithmetic number, because the mean of its divisors is an integer number (5343152640).

Almost surely, 2^63316356572 is an apocalyptic number.

It is an amenable number.

63316356572 is an abundant number, since it is smaller than the sum of its proper divisors (64919306788).

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

63316356572 is a wasteful number, since it uses less digits than its factorization.

63316356572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28624121 (or 28624119 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 47.

The spelling of 63316356572 in words is "sixty-three billion, three hundred sixteen million, three hundred fifty-six thousand, five hundred seventy-two".