166523635606027 has 8 divisors (see below), whose sum is σ = 190312808434400. Its totient is φ = 142734483284544.

The previous prime is 166523635605967. The next prime is 166523635606061. The reversal of 166523635606027 is 720606536325661.

166523635606027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 166523635606027 - 2²³ = 166523627217419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166523635606927) 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, 21478999 + ... + 28185007.

It is an arithmetic number, because the mean of its divisors is an integer number (23789101054300).

Almost surely, 2^{166523635606027} is an apocalyptic number.

166523635606027 is a deficient number, since it is larger than the sum of its proper divisors (23789172828373).

166523635606027 is an equidigital number, since it uses as much as digits as its factorization.

166523635606027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10253445.

The product of its (nonzero) digits is 48988800, while the sum is 58.

The spelling of 166523635606027 in words is "one hundred sixty-six trillion, five hundred twenty-three billion, six hundred thirty-five million, six hundred six thousand, twenty-seven".