68841042864122 has 16 divisors (see below), whose sum is σ = 104338046151360. Its totient is φ = 34061775301248.

The previous prime is 68841042864107. The next prime is 68841042864157. The reversal of 68841042864122 is 22146824014886.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18587222 + ... + 21981057.

It is an arithmetic number, because the mean of its divisors is an integer number (6521127884460).

Almost surely, 2^{68841042864122} is an apocalyptic number.

68841042864122 is a deficient number, since it is larger than the sum of its proper divisors (35497003287238).

68841042864122 is a wasteful number, since it uses less digits than its factorization.

68841042864122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40577125.

The product of its (nonzero) digits is 9437184, while the sum is 56.

The spelling of 68841042864122 in words is "sixty-eight trillion, eight hundred forty-one billion, forty-two million, eight hundred sixty-four thousand, one hundred twenty-two".