68080667340 has 48 divisors (see below), whose sum is σ = 217858136832. Its totient is φ = 15561295296.

The previous prime is 68080667311. The next prime is 68080667357. The reversal of 68080667340 is 4376608086.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68080667340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81047994 + ... + 81048833.

It is an arithmetic number, because the mean of its divisors is an integer number (4538711184).

Almost surely, 2^68080667340 is an apocalyptic number.

68080667340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68080667340 is an abundant number, since it is smaller than the sum of its proper divisors (149777469492).

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

68080667340 is a wasteful number, since it uses less digits than its factorization.

68080667340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162096846 (or 162096844 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 68080667340 in words is "sixty-eight billion, eighty million, six hundred sixty-seven thousand, three hundred forty".