1163143863792 has 240 divisors, whose sum is σ = 3363352112640. Its totient is φ = 375092011008.

The previous prime is 1163143863787. The next prime is 1163143863799. The reversal of 1163143863792 is 2973683413611.

1163143863792 is a `hidden beast` number, since 1 + 1 + 63 + 1 + 438 + 63 + 7 + 92 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163143863799) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147099103 + ... + 147107009.

It is an arithmetic number, because the mean of its divisors is an integer number (14013967136).

Almost surely, 2^{1163143863792} is an apocalyptic number.

1163143863792 is a gapful number since it is divisible by the number (12) 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 1163143863792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681676056320).

1163143863792 is an abundant number, since it is smaller than the sum of its proper divisors (2200208248848).

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

1163143863792 is a wasteful number, since it uses less digits than its factorization.

1163143863792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8260 (or 8251 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 1163143863792 in words is "one trillion, one hundred sixty-three billion, one hundred forty-three million, eight hundred sixty-three thousand, seven hundred ninety-two".