195143916 has 48 divisors (see below), whose sum is σ = 505169280. Its totient is φ = 58129920.

The previous prime is 195143911. The next prime is 195143917. The reversal of 195143916 is 619341591.

195143916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×195143916² = 76162295903630112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (195143911) 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, 4741 + ... + 20316.

It is an arithmetic number, because the mean of its divisors is an integer number (10524360).

Almost surely, 2^195143916 is an apocalyptic number.

It is an amenable number.

195143916 is an abundant number, since it is smaller than the sum of its proper divisors (310025364).

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

195143916 is a wasteful number, since it uses less digits than its factorization.

195143916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134 (or 25132 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 195143916 is about 13969.3921127585. The cubic root of 195143916 is about 580.0316233253.

The spelling of 195143916 in words is "one hundred ninety-five million, one hundred forty-three thousand, nine hundred sixteen".