166670206850 has 48 divisors (see below), whose sum is σ = 372940267200. Its totient is φ = 54136486080.

The previous prime is 166670206837. The next prime is 166670206921. The reversal of 166670206850 is 58602076661.

It is a junction number, because it is equal to n+sod(n) for n = 166670206795 and 166670206804.

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 23 ways as a sum of consecutive naturals, for example, 12524945 + ... + 12538244.

It is an arithmetic number, because the mean of its divisors is an integer number (7769588900).

Almost surely, 2^166670206850 is an apocalyptic number.

166670206850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166670206850 is an abundant number, since it is smaller than the sum of its proper divisors (206270060350).

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

166670206850 is a wasteful number, since it uses less digits than its factorization.

166670206850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25063227 (or 25063222 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 166670206850 in words is "one hundred sixty-six billion, six hundred seventy million, two hundred six thousand, eight hundred fifty".