1169825580 has 216 divisors, whose sum is σ = 4458164256. Its totient is φ = 243048960.

The previous prime is 1169825557. The next prime is 1169825581. The reversal of 1169825580 is 855289611.

It is a happy number.

1169825580 is a `hidden beast` number, since 1 + 1 + 6 + 98 + 2 + 558 + 0 = 666.

1169825580 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1169825581) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 148624 + ... + 156296.

Almost surely, 2^1169825580 is an apocalyptic number.

1169825580 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 1169825580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2229082128).

1169825580 is an abundant number, since it is smaller than the sum of its proper divisors (3288338676).

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

1169825580 is a wasteful number, since it uses less digits than its factorization.

1169825580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717 (or 7701 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The square root of 1169825580 is about 34202.7130502830. The cubic root of 1169825580 is about 1053.6758782393.

The spelling of 1169825580 in words is "one billion, one hundred sixty-nine million, eight hundred twenty-five thousand, five hundred eighty".