195946164 has 72 divisors (see below), whose sum is σ = 538254080. Its totient is φ = 59875200.

The previous prime is 195946159. The next prime is 195946169. The reversal of 195946164 is 461649591.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (195946159) and next prime (195946169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195946169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16584 + ... + 25824.

Almost surely, 2^195946164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195946164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269127040).

195946164 is an abundant number, since it is smaller than the sum of its proper divisors (342307916).

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

195946164 is a wasteful number, since it uses less digits than its factorization.

195946164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301 (or 9296 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 195946164 is about 13998.0771536665. The cubic root of 195946164 is about 580.8253845085.

The spelling of 195946164 in words is "one hundred ninety-five million, nine hundred forty-six thousand, one hundred sixty-four".