195419161 has 16 divisors (see below), whose sum is σ = 240831360. Its totient is φ = 154811520.

The previous prime is 195419113. The next prime is 195419171. The reversal of 195419161 is 161914591.

195419161 = T₂₅₉₀ + T₂₅₉₁ + ... + T₂₆₄₆.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195419161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195419161.

It is not an unprimeable number, because it can be changed into a prime (195419111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12466 + ... + 23371.

It is an arithmetic number, because the mean of its divisors is an integer number (15051960).

Almost surely, 2^195419161 is an apocalyptic number.

It is an amenable number.

195419161 is a deficient number, since it is larger than the sum of its proper divisors (45412199).

195419161 is a wasteful number, since it uses less digits than its factorization.

195419161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35904.

The product of its digits is 9720, while the sum is 37.

The square root of 195419161 is about 13979.2403584744. The cubic root of 195419161 is about 580.3042013030.

It can be divided in two parts, 1954 and 19161, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 195419161 in words is "one hundred ninety-five million, four hundred nineteen thousand, one hundred sixty-one".