1068788442636 has 144 divisors (see below), whose sum is σ = 2905725644640. Its totient is φ = 330578519040.

The previous prime is 1068788442503. The next prime is 1068788442653. The reversal of 1068788442636 is 6362448878601.

1068788442636 is a `hidden beast` number, since 1 + 0 + 6 + 87 + 88 + 442 + 6 + 36 = 666.

It is a super-2 number, since 2×1068788442636² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2681530 + ... + 3054206.

It is an arithmetic number, because the mean of its divisors is an integer number (20178650310).

Almost surely, 2^{1068788442636} 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 1068788442636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452862822320).

1068788442636 is an abundant number, since it is smaller than the sum of its proper divisors (1836937202004).

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

1068788442636 is a wasteful number, since it uses less digits than its factorization.

1068788442636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372824 (or 372819 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 63.

The spelling of 1068788442636 in words is "one trillion, sixty-eight billion, seven hundred eighty-eight million, four hundred forty-two thousand, six hundred thirty-six".