68385168951 has 16 divisors (see below), whose sum is σ = 99473749248. Its totient is φ = 41443718400.

The previous prime is 68385168911. The next prime is 68385168959. The reversal of 68385168951 is 15986158386.

It is not a de Polignac number, because 68385168951 - 2⁷ = 68385168823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68385168959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280871 + ... + 1333191.

It is an arithmetic number, because the mean of its divisors is an integer number (6217109328).

Almost surely, 2^68385168951 is an apocalyptic number.

68385168951 is a deficient number, since it is larger than the sum of its proper divisors (31088580297).

68385168951 is a wasteful number, since it uses less digits than its factorization.

68385168951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91942.

The product of its digits is 12441600, while the sum is 60.

The spelling of 68385168951 in words is "sixty-eight billion, three hundred eighty-five million, one hundred sixty-eight thousand, nine hundred fifty-one".