1166370430566 has 24 divisors (see below), whose sum is σ = 2564087063832. Its totient is φ = 353445584800.

The previous prime is 1166370430549. The next prime is 1166370430571. The reversal of 1166370430566 is 6650340736611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803284695 + ... + 803286146.

It is an arithmetic number, because the mean of its divisors is an integer number (106836960993).

Almost surely, 2^{1166370430566} is an apocalyptic number.

1166370430566 is an abundant number, since it is smaller than the sum of its proper divisors (1397716633266).

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

1166370430566 is a wasteful number, since it uses less digits than its factorization.

1166370430566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606570868 (or 1606570857 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 1166370430566 in words is "one trillion, one hundred sixty-six billion, three hundred seventy million, four hundred thirty thousand, five hundred sixty-six".