1130161560 has 128 divisors (see below), whose sum is σ = 3711951360. Its totient is φ = 272998400.

The previous prime is 1130161541. The next prime is 1130161567. The reversal of 1130161560 is 651610311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1130161560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130161567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409144 + ... + 411896.

It is an arithmetic number, because the mean of its divisors is an integer number (28999620).

Almost surely, 2^1130161560 is an apocalyptic number.

1130161560 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 1130161560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1855975680).

1130161560 is an abundant number, since it is smaller than the sum of its proper divisors (2581789800).

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

1130161560 is a wasteful number, since it uses less digits than its factorization.

1130161560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1130161560 is about 33617.8756021257. The cubic root of 1130161560 is about 1041.6300743910.

Adding to 1130161560 its reverse (651610311), we get a palindrome (1781771871).

The spelling of 1130161560 in words is "one billion, one hundred thirty million, one hundred sixty-one thousand, five hundred sixty".