1166160071601 has 80 divisors (see below), whose sum is σ = 2075233511296. Its totient is φ = 638689100544.

The previous prime is 1166160071597. The next prime is 1166160071621. The reversal of 1166160071601 is 1061700616611.

It is not a de Polignac number, because 1166160071601 - 2² = 1166160071597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1166160071621) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 990765 + ... + 1820421.

Almost surely, 2^{1166160071601} is an apocalyptic number.

It is an amenable number.

1166160071601 is a deficient number, since it is larger than the sum of its proper divisors (909073439695).

1166160071601 is an equidigital number, since it uses as much as digits as its factorization.

1166160071601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829780 (or 829771 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The spelling of 1166160071601 in words is "one trillion, one hundred sixty-six billion, one hundred sixty million, seventy-one thousand, six hundred one".