1161446416091 has 8 divisors (see below), whose sum is σ = 1262932026720. Its totient is φ = 1061695602432.

The previous prime is 1161446416073. The next prime is 1161446416159. The reversal of 1161446416091 is 1906146441611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161446416091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161446416001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433697846 + ... + 433700523.

It is an arithmetic number, because the mean of its divisors is an integer number (157866503340).

Almost surely, 2^{1161446416091} is an apocalyptic number.

1161446416091 is a deficient number, since it is larger than the sum of its proper divisors (101485610629).

1161446416091 is a wasteful number, since it uses less digits than its factorization.

1161446416091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867398485.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 1161446416091 in words is "one trillion, one hundred sixty-one billion, four hundred forty-six million, four hundred sixteen thousand, ninety-one".