166667020202 has 8 divisors (see below), whose sum is σ = 255814496256. Its totient is φ = 81395521452.

The previous prime is 166667020199. The next prime is 166667020231. The reversal of 166667020202 is 202020766661.

166667020202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×166667020202² (a number of 23 digits) contains 22 as substring.

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, 968994218 + ... + 968994389.

It is an arithmetic number, because the mean of its divisors is an integer number (31976812032).

Almost surely, 2^166667020202 is an apocalyptic number.

166667020202 is a deficient number, since it is larger than the sum of its proper divisors (89147476054).

166667020202 is a wasteful number, since it uses less digits than its factorization.

166667020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937988652.

The product of its (nonzero) digits is 72576, while the sum is 38.

Adding to 166667020202 its reverse (202020766661), we get a palindrome (368687786863).

The spelling of 166667020202 in words is "one hundred sixty-six billion, six hundred sixty-seven million, twenty thousand, two hundred two".