160666565027 has 4 divisors (see below), whose sum is σ = 160670517456. Its totient is φ = 160662612600.

The previous prime is 160666565023. The next prime is 160666565029. The reversal of 160666565027 is 720565666061.

160666565027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720565666061 = 173 ⋅4165119457.

It is a cyclic number.

It is not a de Polignac number, because 160666565027 - 2² = 160666565023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160666565023) 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 3 ways as a sum of consecutive naturals, for example, 1914599 + ... + 1996752.

It is an arithmetic number, because the mean of its divisors is an integer number (40167629364).

Almost surely, 2^160666565027 is an apocalyptic number.

160666565027 is a deficient number, since it is larger than the sum of its proper divisors (3952429).

160666565027 is an equidigital number, since it uses as much as digits as its factorization.

160666565027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952428.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 160666565027 in words is "one hundred sixty billion, six hundred sixty-six million, five hundred sixty-five thousand, twenty-seven".