68955348816 has 160 divisors (see below), whose sum is σ = 205614339840. Its totient is φ = 22108262400.

The previous prime is 68955348769. The next prime is 68955348823. The reversal of 68955348816 is 61884355986.

68955348816 is a `hidden beast` number, since 6 + 8 + 9 + 5 + 534 + 88 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1230136 + ... + 1284968.

It is an arithmetic number, because the mean of its divisors is an integer number (1285089624).

Almost surely, 2^68955348816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68955348816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102807169920).

68955348816 is an abundant number, since it is smaller than the sum of its proper divisors (136658991024).

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

68955348816 is a wasteful number, since it uses less digits than its factorization.

68955348816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54962 (or 54950 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 68955348816 in words is "sixty-eight billion, nine hundred fifty-five million, three hundred forty-eight thousand, eight hundred sixteen".