166323210361 has 8 divisors (see below), whose sum is σ = 207364002624. Its totient is φ = 129602501520.

The previous prime is 166323210329. The next prime is 166323210377. The reversal of 166323210361 is 163012323661.

166323210361 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 166323210361 - 2⁵ = 166323210329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166323210461) 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 7 ways as a sum of consecutive naturals, for example, 1080020770 + ... + 1080020923.

It is an arithmetic number, because the mean of its divisors is an integer number (25920500328).

Almost surely, 2^166323210361 is an apocalyptic number.

166323210361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

166323210361 is a deficient number, since it is larger than the sum of its proper divisors (41040792263).

166323210361 is a wasteful number, since it uses less digits than its factorization.

166323210361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160041711.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 166323210361 in words is "one hundred sixty-six billion, three hundred twenty-three million, two hundred ten thousand, three hundred sixty-one".