626397581068 has 12 divisors (see below), whose sum is σ = 1252795162192. Its totient is φ = 268456106160.

The previous prime is 626397581057. The next prime is 626397581093. The reversal of 626397581068 is 860185793626.

626397581068 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 626397580997 and 626397581015.

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 in 3 ways as a sum of consecutive naturals, for example, 11185671063 + ... + 11185671118.

Almost surely, 2^626397581068 is an apocalyptic number.

It is an amenable number.

626397581068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

626397581068 is a wasteful number, since it uses less digits than its factorization.

626397581068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22371342192 (or 22371342190 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 626397581068 in words is "six hundred twenty-six billion, three hundred ninety-seven million, five hundred eighty-one thousand, sixty-eight".