1169986560 has 264 divisors, whose sum is σ = 3968166816. Its totient is φ = 294174720.

The previous prime is 1169986523. The next prime is 1169986621. The reversal of 1169986560 is 656899611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5544855 + ... + 5545065.

Almost surely, 2^1169986560 is an apocalyptic number.

1169986560 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 1169986560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1984083408).

1169986560 is an abundant number, since it is smaller than the sum of its proper divisors (2798180256).

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

1169986560 is a wasteful number, since it uses less digits than its factorization.

1169986560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 1169986560 is about 34205.0662914136. The cubic root of 1169986560 is about 1053.7242082257.

The spelling of 1169986560 in words is "one billion, one hundred sixty-nine million, nine hundred eighty-six thousand, five hundred sixty".