1166895428 has 12 divisors (see below), whose sum is σ = 2107940352. Its totient is φ = 564626760.

The previous prime is 1166895421. The next prime is 1166895439. The reversal of 1166895428 is 8245986611.

It is not an unprimeable number, because it can be changed into a prime (1166895421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4705100 + ... + 4705347.

It is an arithmetic number, because the mean of its divisors is an integer number (175661696).

Almost surely, 2^1166895428 is an apocalyptic number.

It is an amenable number.

1166895428 is a deficient number, since it is larger than the sum of its proper divisors (941044924).

1166895428 is a wasteful number, since it uses less digits than its factorization.

1166895428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9410482 (or 9410480 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 1166895428 is about 34159.8511120877. The cubic root of 1166895428 is about 1052.7954017242.

The spelling of 1166895428 in words is "one billion, one hundred sixty-six million, eight hundred ninety-five thousand, four hundred twenty-eight".