1166061056159 has 16 divisors (see below), whose sum is σ = 1207735289280. Its totient is φ = 1125121570560.

The previous prime is 1166061056129. The next prime is 1166061056189. The reversal of 1166061056159 is 9516501606611.

It is an interprime number because it is at equal distance from previous prime (1166061056129) and next prime (1166061056189).

It is a cyclic number.

It is not a de Polignac number, because 1166061056159 - 2⁴⁰ = 66549428383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166061056119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22498427 + ... + 22550195.

It is an arithmetic number, because the mean of its divisors is an integer number (75483455580).

Almost surely, 2^{1166061056159} is an apocalyptic number.

1166061056159 is a deficient number, since it is larger than the sum of its proper divisors (41674233121).

1166061056159 is an equidigital number, since it uses as much as digits as its factorization.

1166061056159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58850.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 1166061056159 in words is "one trillion, one hundred sixty-six billion, sixty-one million, fifty-six thousand, one hundred fifty-nine".