68065112850 has 192 divisors, whose sum is σ = 195243789312. Its totient is φ = 15370848000.

The previous prime is 68065112779. The next prime is 68065112851. The reversal of 68065112850 is 5821156086.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (68065112851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 64151320 + ... + 64152380.

It is an arithmetic number, because the mean of its divisors is an integer number (1016894736).

Almost surely, 2^68065112850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68065112850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97621894656).

68065112850 is an abundant number, since it is smaller than the sum of its proper divisors (127178676462).

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

68065112850 is a wasteful number, since it uses less digits than its factorization.

68065112850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 68065112850 in words is "sixty-eight billion, sixty-five million, one hundred twelve thousand, eight hundred fifty".