68176121133 has 16 divisors (see below), whose sum is σ = 91004336640. Its totient is φ = 45399362736.

The previous prime is 68176121113. The next prime is 68176121147. The reversal of 68176121133 is 33112167186.

It is not a de Polignac number, because 68176121133 - 2¹⁴ = 68176104749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68176121091 and 68176121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68176121113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15753816 + ... + 15758142.

It is an arithmetic number, because the mean of its divisors is an integer number (5687771040).

Almost surely, 2^68176121133 is an apocalyptic number.

It is an amenable number.

68176121133 is a deficient number, since it is larger than the sum of its proper divisors (22828215507).

68176121133 is a wasteful number, since it uses less digits than its factorization.

68176121133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9056.

The product of its digits is 36288, while the sum is 39.

The spelling of 68176121133 in words is "sixty-eight billion, one hundred seventy-six million, one hundred twenty-one thousand, one hundred thirty-three".