68133393152 has 216 divisors, whose sum is σ = 162432191376. Its totient is φ = 28188672000.

The previous prime is 68133393073. The next prime is 68133393193. The reversal of 68133393152 is 25139333186.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46004252 + ... + 46005732.

It is an arithmetic number, because the mean of its divisors is an integer number (752000886).

Almost surely, 2^68133393152 is an apocalyptic number.

68133393152 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68133393152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81216095688).

68133393152 is an abundant number, since it is smaller than the sum of its proper divisors (94298798224).

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

68133393152 is a wasteful number, since it uses less digits than its factorization.

68133393152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1542 counting only the distinct ones).

The product of its digits is 349920, while the sum is 44.

The spelling of 68133393152 in words is "sixty-eight billion, one hundred thirty-three million, three hundred ninety-three thousand, one hundred fifty-two".