16668520202 has 32 divisors (see below), whose sum is σ = 26284773888. Its totient is φ = 7918356096.

The previous prime is 16668520181. The next prime is 16668520207. The reversal of 16668520202 is 20202586661.

16668520202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16668520207) 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 15 ways as a sum of consecutive naturals, for example, 1584203 + ... + 1594689.

It is an arithmetic number, because the mean of its divisors is an integer number (821399184).

Almost surely, 2^16668520202 is an apocalyptic number.

16668520202 is a deficient number, since it is larger than the sum of its proper divisors (9616253686).

16668520202 is a wasteful number, since it uses less digits than its factorization.

16668520202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11030.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 16668520202 in words is "sixteen billion, six hundred sixty-eight million, five hundred twenty thousand, two hundred two".