68194120152 has 32 divisors (see below), whose sum is σ = 171827712000. Its totient is φ = 22552385184.

The previous prime is 68194120151. The next prime is 68194120187. The reversal of 68194120152 is 25102149186.

It is a self number, because there is not a number n which added to its sum of digits gives 68194120152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68194120151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11183652 + ... + 11189747.

It is an arithmetic number, because the mean of its divisors is an integer number (5369616000).

Almost surely, 2^68194120152 is an apocalyptic number.

It is an amenable number.

68194120152 is an abundant number, since it is smaller than the sum of its proper divisors (103633591848).

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

68194120152 is a wasteful number, since it uses less digits than its factorization.

68194120152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22373535 (or 22373531 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 68194120152 in words is "sixty-eight billion, one hundred ninety-four million, one hundred twenty thousand, one hundred fifty-two".