632868988066 has 24 divisors (see below), whose sum is σ = 1142370838620. Its totient is φ = 261876821472.

The previous prime is 632868988043. The next prime is 632868988069. The reversal of 632868988066 is 660889868236.

632868988066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 616270530841 + 16598457225 = 785029^2 + 128835^2 .

It is a super-3 number, since 3×632868988066³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 632868987986 and 632868988004.

It is not an unprimeable number, because it can be changed into a prime (632868988069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111339345 + ... + 111345028.

Almost surely, 2^632868988066 is an apocalyptic number.

632868988066 is a deficient number, since it is larger than the sum of its proper divisors (509501850554).

632868988066 is a wasteful number, since it uses less digits than its factorization.

632868988066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222684418 (or 222684411 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 70.

The spelling of 632868988066 in words is "six hundred thirty-two billion, eight hundred sixty-eight million, nine hundred eighty-eight thousand, sixty-six".