1166141588 has 18 divisors (see below), whose sum is σ = 2167855326. Its totient is φ = 548771968.

The previous prime is 1166141579. The next prime is 1166141593. The reversal of 1166141588 is 8851416611.

It can be written as a sum of positive squares in 3 ways, for example, as 791409424 + 374732164 = 28132^2 + 19358^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503231 + ... + 505542.

It is an arithmetic number, because the mean of its divisors is an integer number (120436407).

Almost surely, 2^1166141588 is an apocalyptic number.

It is an amenable number.

1166141588 is a deficient number, since it is larger than the sum of its proper divisors (1001713738).

1166141588 is a wasteful number, since it uses less digits than its factorization.

1166141588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008811 (or 1008792 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 1166141588 is about 34148.8153235218. The cubic root of 1166141588 is about 1052.5686432588.

The spelling of 1166141588 in words is "one billion, one hundred sixty-six million, one hundred forty-one thousand, five hundred eighty-eight".