166786084372 has 12 divisors (see below), whose sum is σ = 295155149940. Its totient is φ = 82456041536.

The previous prime is 166786084369. The next prime is 166786084391. The reversal of 166786084372 is 273480687661.

166786084372 is digitally balanced in base 2, 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 2 ways, for example, as 71431114756 + 95354969616 = 267266^2 + 308796^2 .

It is a congruent number.

It is an unprimeable number.

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, 234249763 + ... + 234250474.

It is an arithmetic number, because the mean of its divisors is an integer number (24596262495).

Almost surely, 2^166786084372 is an apocalyptic number.

It is an amenable number.

166786084372 is a deficient number, since it is larger than the sum of its proper divisors (128369065568).

166786084372 is a wasteful number, since it uses less digits than its factorization.

166786084372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468500330 (or 468500328 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 166786084372 in words is "one hundred sixty-six billion, seven hundred eighty-six million, eighty-four thousand, three hundred seventy-two".