68231330056 has 16 divisors (see below), whose sum is σ = 127936775340. Its totient is φ = 34114856640.

The previous prime is 68231330017. The next prime is 68231330059. The reversal of 68231330056 is 65003313286.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61836768900 + 6394561156 = 248670^2 + 79966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 68231329997 and 68231330024.

It is not an unprimeable number, because it can be changed into a prime (68231330059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409266 + ... + 551326.

Almost surely, 2^68231330056 is an apocalyptic number.

It is an amenable number.

68231330056 is a deficient number, since it is larger than the sum of its proper divisors (59705445284).

68231330056 is a wasteful number, since it uses less digits than its factorization.

68231330056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202104 (or 202100 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 68231330056 in words is "sixty-eight billion, two hundred thirty-one million, three hundred thirty thousand, fifty-six".