195420169 has 8 divisors (see below), whose sum is σ = 227551680. Its totient is φ = 164342256.

The previous prime is 195420163. The next prime is 195420179. The reversal of 195420169 is 961024591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195420169 - 2¹¹ = 195418121 is a prime.

It is a super-2 number, since 2×195420169² = 76378084903977122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195420163) 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, 262999 + ... + 263740.

It is an arithmetic number, because the mean of its divisors is an integer number (28443960).

Almost surely, 2^195420169 is an apocalyptic number.

It is an amenable number.

195420169 is a deficient number, since it is larger than the sum of its proper divisors (32131511).

195420169 is an equidigital number, since it uses as much as digits as its factorization.

195420169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526799.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 195420169 is about 13979.2764118891. The cubic root of 195420169 is about 580.3051990653.

The spelling of 195420169 in words is "one hundred ninety-five million, four hundred twenty thousand, one hundred sixty-nine".