1163727221184 has 224 divisors, whose sum is σ = 3741088377600. Its totient is φ = 351800570880.

The previous prime is 1163727221161. The next prime is 1163727221249. The reversal of 1163727221184 is 4811227273611.

It is a happy number.

1163727221184 is a `hidden beast` number, since 1 + 1 + 637 + 2 + 7 + 2 + 2 + 1 + 1 + 8 + 4 = 666.

It is a super-2 number, since 2×1163727221184² (a number of 25 digits) contains 22 as substring.

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, 7891294 + ... + 8037410.

It is an arithmetic number, because the mean of its divisors is an integer number (16701287400).

Almost surely, 2^{1163727221184} 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 1163727221184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870544188800).

1163727221184 is an abundant number, since it is smaller than the sum of its proper divisors (2577361156416).

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

1163727221184 is a wasteful number, since it uses less digits than its factorization.

1163727221184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146568 (or 146552 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The spelling of 1163727221184 in words is "one trillion, one hundred sixty-three billion, seven hundred twenty-seven million, two hundred twenty-one thousand, one hundred eighty-four".