195160901 has 16 divisors (see below), whose sum is σ = 225603504. Its totient is φ = 167215104.

The previous prime is 195160879. The next prime is 195160909. The reversal of 195160901 is 109061591.

It is a happy number.

It is a Cunningham number, because it is equal to 13970²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 19624900 + 175536001 = 4430^2 + 13249^2 .

It is a cyclic number.

It is not a de Polignac number, because 195160901 - 2²⁶ = 128052037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195160909) 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, 10085 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (14100219).

Almost surely, 2^195160901 is an apocalyptic number.

It is an amenable number.

195160901 is a deficient number, since it is larger than the sum of its proper divisors (30442603).

195160901 is a wasteful number, since it uses less digits than its factorization.

195160901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12200.

The product of its (nonzero) digits is 2430, while the sum is 32.

The square root of 195160901 is about 13970.0000357910. Note that the first 4 decimals coincide. The cubic root of 195160901 is about 580.0484511645.

The spelling of 195160901 in words is "one hundred ninety-five million, one hundred sixty thousand, nine hundred one".