63164526722 has 12 divisors (see below), whose sum is σ = 104143166358. Its totient is φ = 28711148400.

The previous prime is 63164526721. The next prime is 63164526743. The reversal of 63164526722 is 22762546136.

It can be written as a sum of positive squares in only one way, i.e., 58038109921 + 5126416801 = 240911^2 + 71599^2 .

It is not an unprimeable number, because it can be changed into a prime (63164526721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130504979 + ... + 130505462.

Almost surely, 2^63164526722 is an apocalyptic number.

63164526722 is a deficient number, since it is larger than the sum of its proper divisors (40978639636).

63164526722 is a wasteful number, since it uses less digits than its factorization.

63164526722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261010465 (or 261010454 counting only the distinct ones).

The product of its digits is 725760, while the sum is 44.

The spelling of 63164526722 in words is "sixty-three billion, one hundred sixty-four million, five hundred twenty-six thousand, seven hundred twenty-two".