1166390323486 has 24 divisors (see below), whose sum is σ = 1906080479424. Its totient is φ = 534678066720.

The previous prime is 1166390323481. The next prime is 1166390323487. The reversal of 1166390323486 is 6843230936611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166390323481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26034055 + ... + 26078818.

It is an arithmetic number, because the mean of its divisors is an integer number (79420019976).

Almost surely, 2^{1166390323486} is an apocalyptic number.

1166390323486 is a deficient number, since it is larger than the sum of its proper divisors (739690155938).

1166390323486 is a wasteful number, since it uses less digits than its factorization.

1166390323486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52112944 (or 52112925 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 1166390323486 in words is "one trillion, one hundred sixty-six billion, three hundred ninety million, three hundred twenty-three thousand, four hundred eighty-six".