166114661264 has 30 divisors (see below), whose sum is σ = 329717806866. Its totient is φ = 81026449920.

The previous prime is 166114661201. The next prime is 166114661269. The reversal of 166114661264 is 462166411661.

166114661264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 31220062864 + 134894598400 = 176692^2 + 367280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166114661269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10430972 + ... + 10446884.

Almost surely, 2^166114661264 is an apocalyptic number.

It is an amenable number.

166114661264 is a deficient number, since it is larger than the sum of its proper divisors (163603145602).

166114661264 is an frugal number, since it uses more digits than its factorization.

166114661264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31875 (or 15956 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The spelling of 166114661264 in words is "one hundred sixty-six billion, one hundred fourteen million, six hundred sixty-one thousand, two hundred sixty-four".