1161473213766 has 16 divisors (see below), whose sum is σ = 2362318401600. Its totient is φ = 380595742248.

The previous prime is 1161473213759. The next prime is 1161473213821. The reversal of 1161473213766 is 6673123741611.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1640498536 + ... + 1640499243.

It is an arithmetic number, because the mean of its divisors is an integer number (147644900100).

Almost surely, 2^{1161473213766} is an apocalyptic number.

1161473213766 is an abundant number, since it is smaller than the sum of its proper divisors (1200845187834).

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

1161473213766 is a wasteful number, since it uses less digits than its factorization.

1161473213766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280997843.

The product of its digits is 762048, while the sum is 48.

The spelling of 1161473213766 in words is "one trillion, one hundred sixty-one billion, four hundred seventy-three million, two hundred thirteen thousand, seven hundred sixty-six".