1163335994688 has 672 divisors, whose sum is σ = 3824749393920. Its totient is φ = 310473461760.

The previous prime is 1163335994687. The next prime is 1163335994749. The reversal of 1163335994688 is 8864995333611.

It is a tau number, because it is divible by the number of its divisors (672).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163335994687) 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, 3740630053 + ... + 3740630363.

It is an arithmetic number, because the mean of its divisors is an integer number (5691591360).

Almost surely, 2^{1163335994688} 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 1163335994688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912374696960).

1163335994688 is an abundant number, since it is smaller than the sum of its proper divisors (2661413399232).

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

1163335994688 is a wasteful number, since it uses less digits than its factorization.

1163335994688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 698 counting only the distinct ones).

The product of its digits is 100776960, while the sum is 66.

The spelling of 1163335994688 in words is "one trillion, one hundred sixty-three billion, three hundred thirty-five million, nine hundred ninety-four thousand, six hundred eighty-eight".