166899842202 has 32 divisors (see below), whose sum is σ = 345855166272. Its totient is φ = 53650646784.

The previous prime is 166899842189. The next prime is 166899842227. The reversal of 166899842202 is 202248998661.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301468 + ... + 3351639.

It is an arithmetic number, because the mean of its divisors is an integer number (10807973946).

Almost surely, 2^166899842202 is an apocalyptic number.

166899842202 is an abundant number, since it is smaller than the sum of its proper divisors (178955324070).

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

166899842202 is a wasteful number, since it uses less digits than its factorization.

166899842202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653262.

The product of its (nonzero) digits is 5971968, while the sum is 57.

The spelling of 166899842202 in words is "one hundred sixty-six billion, eight hundred ninety-nine million, eight hundred forty-two thousand, two hundred two".