161195202 has 72 divisors (see below), whose sum is σ = 427705200. Its totient is φ = 43627248.

The previous prime is 161195191. The next prime is 161195227. The reversal of 161195202 is 202591161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11949 + ... + 21567.

It is an arithmetic number, because the mean of its divisors is an integer number (5940350).

Almost surely, 2^161195202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161195202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213852600).

161195202 is an abundant number, since it is smaller than the sum of its proper divisors (266509998).

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

161195202 is a wasteful number, since it uses less digits than its factorization.

161195202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9660 (or 9650 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 161195202 is about 12696.2672467147. The cubic root of 161195202 is about 544.2319535102.

It can be divided in two parts, 16119 and 5202, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 161195202 in words is "one hundred sixty-one million, one hundred ninety-five thousand, two hundred two".