68119223157 has 8 divisors (see below), whose sum is σ = 100917367680. Its totient is φ = 45412815420.

The previous prime is 68119223153. The next prime is 68119223177. The reversal of 68119223157 is 75132291186.

It is not a de Polignac number, because 68119223157 - 2² = 68119223153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68119223153) 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 7 ways as a sum of consecutive naturals, for example, 1261467069 + ... + 1261467122.

It is an arithmetic number, because the mean of its divisors is an integer number (12614670960).

Almost surely, 2^68119223157 is an apocalyptic number.

It is an amenable number.

68119223157 is a deficient number, since it is larger than the sum of its proper divisors (32798144523).

68119223157 is a wasteful number, since it uses less digits than its factorization.

68119223157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522934200 (or 2522934194 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 68119223157 in words is "sixty-eight billion, one hundred nineteen million, two hundred twenty-three thousand, one hundred fifty-seven".