1161450360 has 256 divisors, whose sum is σ = 4492569600. Its totient is φ = 261398016.

The previous prime is 1161450359. The next prime is 1161450383. The reversal of 1161450360 is 630541611.

1161450360 is a `hidden beast` number, since 11 + 614 + 5 + 0 + 36 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 505374 + ... + 507666.

It is an arithmetic number, because the mean of its divisors is an integer number (17549100).

Almost surely, 2^1161450360 is an apocalyptic number.

1161450360 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 1161450360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2246284800).

1161450360 is an abundant number, since it is smaller than the sum of its proper divisors (3331119240).

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

1161450360 is a wasteful number, since it uses less digits than its factorization.

1161450360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1161450360 is about 34080.0580985420. The cubic root of 1161450360 is about 1051.1552998027.

Adding to 1161450360 its reverse (630541611), we get a palindrome (1791991971).

The spelling of 1161450360 in words is "one billion, one hundred sixty-one million, four hundred fifty thousand, three hundred sixty".