166326000769 has 2 divisors, whose sum is σ = 166326000770. Its totient is φ = 166326000768.

The previous prime is 166326000767. The next prime is 166326000793. The reversal of 166326000769 is 967000623661.

166326000769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131464256400 + 34861744369 = 362580^2 + 186713^2 .

It is a cyclic number.

It is not a de Polignac number, because 166326000769 - 2¹ = 166326000767 is a prime.

It is a super-2 number, since 2×166326000769² (a number of 23 digits) contains 22 as substring.

Together with 166326000767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (166326000767) 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 as a sum of consecutive naturals, namely, 83163000384 + 83163000385.

It is an arithmetic number, because the mean of its divisors is an integer number (83163000385).

Almost surely, 2^166326000769 is an apocalyptic number.

It is an amenable number.

166326000769 is a deficient number, since it is larger than the sum of its proper divisors (1).

166326000769 is an equidigital number, since it uses as much as digits as its factorization.

166326000769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 166326000769 in words is "one hundred sixty-six billion, three hundred twenty-six million, seven hundred sixty-nine", and thus it is an aban number.