195428164 has 6 divisors (see below), whose sum is σ = 341999294. Its totient is φ = 97714080.

The previous prime is 195428161. The next prime is 195428221. The reversal of 195428164 is 461824591.

It can be written as a sum of positive squares in only one way, i.e., 135489600 + 59938564 = 11640^2 + 7742^2 .

It is not an unprimeable number, because it can be changed into a prime (195428161) 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 as a sum of consecutive naturals, namely, 24428517 + ... + 24428524.

Almost surely, 2^195428164 is an apocalyptic number.

It is an amenable number.

195428164 is a deficient number, since it is larger than the sum of its proper divisors (146571130).

195428164 is a wasteful number, since it uses less digits than its factorization.

195428164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48857045 (or 48857043 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 195428164 is about 13979.5623679713. The cubic root of 195428164 is about 580.3131127432.

The spelling of 195428164 in words is "one hundred ninety-five million, four hundred twenty-eight thousand, one hundred sixty-four".