1163841400 has 72 divisors (see below), whose sum is σ = 2829205080. Its totient is φ = 444410560.

The previous prime is 1163841379. The next prime is 1163841439. The reversal of 1163841400 is 41483611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2313549 + ... + 2314051.

It is an arithmetic number, because the mean of its divisors is an integer number (39294515).

Almost surely, 2^1163841400 is an apocalyptic number.

1163841400 is a gapful number since it is divisible by the number (10) 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 1163841400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414602540).

1163841400 is an abundant number, since it is smaller than the sum of its proper divisors (1665363680).

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

1163841400 is an equidigital number, since it uses as much as digits as its factorization.

1163841400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1163841400 is about 34115.1198151201. The cubic root of 1163841400 is about 1051.8761317625.

It can be divided in two parts, 1163841 and 400, that added together give a square (1164241 = 1079²).

The spelling of 1163841400 in words is "one billion, one hundred sixty-three million, eight hundred forty-one thousand, four hundred".