166703520202 has 16 divisors (see below), whose sum is σ = 256859700552. Its totient is φ = 81084430080.

The previous prime is 166703520149. The next prime is 166703520227. The reversal of 166703520202 is 202025307661.

166703520202 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 4 ways, for example, as 164575451041 + 2128069161 = 405679^2 + 46131^2 .

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 7 ways as a sum of consecutive naturals, for example, 217758 + ... + 617110.

Almost surely, 2^166703520202 is an apocalyptic number.

166703520202 is a deficient number, since it is larger than the sum of its proper divisors (90156180350).

166703520202 is a wasteful number, since it uses less digits than its factorization.

166703520202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405033.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 166703520202 its reverse (202025307661), we get a palindrome (368728827863).

The spelling of 166703520202 in words is "one hundred sixty-six billion, seven hundred three million, five hundred twenty thousand, two hundred two".