166666700202 has 8 divisors (see below), whose sum is σ = 333333400416. Its totient is φ = 55555566732.

The previous prime is 166666700183. The next prime is 166666700257. The reversal of 166666700202 is 202007666661.

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

166666700202 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13888891678 + ... + 13888891689.

It is an arithmetic number, because the mean of its divisors is an integer number (41666675052).

Almost surely, 2^166666700202 is an apocalyptic number.

166666700202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166666700202 is a wasteful number, since it uses less digits than its factorization.

166666700202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27777783372.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 166666700202 in words is "one hundred sixty-six billion, six hundred sixty-six million, seven hundred thousand, two hundred two".