1166404494503 has 8 divisors (see below), whose sum is σ = 1228375864320. Its totient is φ = 1104491290680.

The previous prime is 1166404494443. The next prime is 1166404494509. The reversal of 1166404494503 is 3054944046611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166404494503 - 2⁶ = 1166404494439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166404494509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14500325 + ... + 14580542.

It is an arithmetic number, because the mean of its divisors is an integer number (153546983040).

Almost surely, 2^{1166404494503} is an apocalyptic number.

1166404494503 is a deficient number, since it is larger than the sum of its proper divisors (61971369817).

1166404494503 is a wasteful number, since it uses less digits than its factorization.

1166404494503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29082997.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 1166404494503 in words is "one trillion, one hundred sixty-six billion, four hundred four million, four hundred ninety-four thousand, five hundred three".