1166004426 has 64 divisors (see below), whose sum is σ = 2593198080. Its totient is φ = 348001920.

The previous prime is 1166004409. The next prime is 1166004439. The reversal of 1166004426 is 6244006611.

It is a junction number, because it is equal to n+sod(n) for n = 1166004393 and 1166004402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148126 + ... + 155798.

It is an arithmetic number, because the mean of its divisors is an integer number (40518720).

Almost surely, 2^1166004426 is an apocalyptic number.

1166004426 is an abundant number, since it is smaller than the sum of its proper divisors (1427193654).

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

1166004426 is a wasteful number, since it uses less digits than its factorization.

1166004426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1166004426 is about 34146.8069663915. The cubic root of 1166004426 is about 1052.5273738045.

The spelling of 1166004426 in words is "one billion, one hundred sixty-six million, four thousand, four hundred twenty-six".