1161266116166 has 8 divisors (see below), whose sum is σ = 1875891418464. Its totient is φ = 535968976680.

The previous prime is 1161266116147. The next prime is 1161266116259. The reversal of 1161266116166 is 6616116621611.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 22332040670 + ... + 22332040721.

It is an arithmetic number, because the mean of its divisors is an integer number (234486427308).

Almost surely, 2^{1161266116166} is an apocalyptic number.

1161266116166 is a deficient number, since it is larger than the sum of its proper divisors (714625302298).

1161266116166 is a wasteful number, since it uses less digits than its factorization.

1161266116166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44664081406.

The product of its digits is 93312, while the sum is 44.

The spelling of 1161266116166 in words is "one trillion, one hundred sixty-one billion, two hundred sixty-six million, one hundred sixteen thousand, one hundred sixty-six".