1168445512 has 16 divisors (see below), whose sum is σ = 2359361340. Its totient is φ = 539282496.

The previous prime is 1168445507. The next prime is 1168445539. The reversal of 1168445512 is 2155448611.

It can be written as a sum of positive squares in 2 ways, for example, as 1005270436 + 163175076 = 31706^2 + 12774^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5617423 + ... + 5617630.

Almost surely, 2^1168445512 is an apocalyptic number.

It is an amenable number.

1168445512 is an abundant number, since it is smaller than the sum of its proper divisors (1190915828).

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

1168445512 is a wasteful number, since it uses less digits than its factorization.

1168445512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235072 (or 11235068 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The square root of 1168445512 is about 34182.5322643013. The cubic root of 1168445512 is about 1053.2613672814.

The spelling of 1168445512 in words is "one billion, one hundred sixty-eight million, four hundred forty-five thousand, five hundred twelve".