1168445530 has 32 divisors (see below), whose sum is σ = 2545053696. Its totient is φ = 377044224.

The previous prime is 1168445507. The next prime is 1168445539. The reversal of 1168445530 is 355448611.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1168445530.

It is not an unprimeable number, because it can be changed into a prime (1168445539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489754 + ... + 492133.

It is an arithmetic number, because the mean of its divisors is an integer number (79532928).

Almost surely, 2^1168445530 is an apocalyptic number.

1168445530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1168445530 is an abundant number, since it is smaller than the sum of its proper divisors (1376608166).

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

1168445530 is a wasteful number, since it uses less digits than its factorization.

1168445530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981918.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1168445530 is about 34182.5325275937. The cubic root of 1168445530 is about 1053.2613726899.

The spelling of 1168445530 in words is "one billion, one hundred sixty-eight million, four hundred forty-five thousand, five hundred thirty".