1163845000 has 80 divisors (see below), whose sum is σ = 2870643600. Its totient is φ = 441000000.

The previous prime is 1163844991. The next prime is 1163845043. The reversal of 1163845000 is 5483611.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1163845000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 88875 + ... + 101125.

It is an arithmetic number, because the mean of its divisors is an integer number (35883045).

Almost surely, 2^1163845000 is an apocalyptic number.

1163845000 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 1163845000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1435321800).

1163845000 is an abundant number, since it is smaller than the sum of its proper divisors (1706798600).

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

1163845000 is a wasteful number, since it uses less digits than its factorization.

1163845000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1163845000 is about 34115.1725776083. The cubic root of 1163845000 is about 1051.8772163176.

The spelling of 1163845000 in words is "one billion, one hundred sixty-three million, eight hundred forty-five thousand".