166000504265636 has 12 divisors (see below), whose sum is σ = 291429000302412. Its totient is φ = 82735075607808.

The previous prime is 166000504265633. The next prime is 166000504265671. The reversal of 166000504265636 is 636562405000661.

It can be written as a sum of positive squares in 2 ways, for example, as 42745967041600 + 123254537224036 = 6538040^2 + 11102006^2 .

It is not an unprimeable number, because it can be changed into a prime (166000504265633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66294129845 + ... + 66294132348.

It is an arithmetic number, because the mean of its divisors is an integer number (24285750025201).

Almost surely, 2^{166000504265636} is an apocalyptic number.

It is an amenable number.

166000504265636 is a deficient number, since it is larger than the sum of its proper divisors (125428496036776).

166000504265636 is a wasteful number, since it uses less digits than its factorization.

166000504265636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132588262510 (or 132588262508 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 166000504265636 in words is "one hundred sixty-six trillion, five hundred four million, two hundred sixty-five thousand, six hundred thirty-six".