195448816 has 20 divisors (see below), whose sum is σ = 380357352. Its totient is φ = 97292096.

The previous prime is 195448811. The next prime is 195448817. The reversal of 195448816 is 618844591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195448811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23275 + ... + 30538.

Almost surely, 2^195448816 is an apocalyptic number.

195448816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

195448816 is a deficient number, since it is larger than the sum of its proper divisors (184908536).

195448816 is a wasteful number, since it uses less digits than its factorization.

195448816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54048 (or 54042 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 195448816 is about 13980.3009981903. The cubic root of 195448816 is about 580.3335536800. Note that the first 3 decimals are identical.

The spelling of 195448816 in words is "one hundred ninety-five million, four hundred forty-eight thousand, eight hundred sixteen".