166857169002 has 16 divisors (see below), whose sum is σ = 333720570240. Its totient is φ = 55618017632.

The previous prime is 166857169001. The next prime is 166857169033. The reversal of 166857169002 is 200961758661.

166857169002 is digitally balanced in base 3, 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 (166857169001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134374 + ... + 593102.

It is an arithmetic number, because the mean of its divisors is an integer number (20857535640).

Almost surely, 2^166857169002 is an apocalyptic number.

166857169002 is an abundant number, since it is smaller than the sum of its proper divisors (166863401238).

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

166857169002 is a wasteful number, since it uses less digits than its factorization.

166857169002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519357.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 166857169002 in words is "one hundred sixty-six billion, eight hundred fifty-seven million, one hundred sixty-nine thousand, two".