68340674146 has 16 divisors (see below), whose sum is σ = 105136895808. Its totient is φ = 33303582000.

The previous prime is 68340674089. The next prime is 68340674147. The reversal of 68340674146 is 64147604386.

It is a self number, because there is not a number n which added to its sum of digits gives 68340674146.

It is not an unprimeable number, because it can be changed into a prime (68340674147) 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, 2118840 + ... + 2150851.

It is an arithmetic number, because the mean of its divisors is an integer number (6571055988).

Almost surely, 2^68340674146 is an apocalyptic number.

68340674146 is a deficient number, since it is larger than the sum of its proper divisors (36796221662).

68340674146 is a wasteful number, since it uses less digits than its factorization.

68340674146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269897.

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 68340674146 in words is "sixty-eight billion, three hundred forty million, six hundred seventy-four thousand, one hundred forty-six".