166202544699 has 12 divisors (see below), whose sum is σ = 248348630400. Its totient is φ = 106980948144.

The previous prime is 166202544661. The next prime is 166202544701. The reversal of 166202544699 is 996445202661.

166202544699 is a `hidden beast` number, since 1 + 6 + 6 + 2 + 0 + 2 + 544 + 6 + 99 = 666.

166202544699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166202544699 - 2¹¹ = 166202542651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166202544899) 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 11 ways as a sum of consecutive naturals, for example, 318395419 + ... + 318395940.

It is an arithmetic number, because the mean of its divisors is an integer number (20695719200).

Almost surely, 2^166202544699 is an apocalyptic number.

166202544699 is a deficient number, since it is larger than the sum of its proper divisors (82146085701).

166202544699 is a wasteful number, since it uses less digits than its factorization.

166202544699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636791394 (or 636791391 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 166202544699 in words is "one hundred sixty-six billion, two hundred two million, five hundred forty-four thousand, six hundred ninety-nine".