195457168 has 20 divisors (see below), whose sum is σ = 387936108. Its totient is φ = 95344640.

The previous prime is 195457153. The next prime is 195457183. The reversal of 195457168 is 861754591.

It is an interprime number because it is at equal distance from previous prime (195457153) and next prime (195457183).

It can be written as a sum of positive squares in 2 ways, for example, as 44462224 + 150994944 = 6668^2 + 12288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148321 + ... + 149632.

Almost surely, 2^195457168 is an apocalyptic number.

It is an amenable number.

195457168 is a deficient number, since it is larger than the sum of its proper divisors (192478940).

195457168 is a wasteful number, since it uses less digits than its factorization.

195457168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298002 (or 297996 counting only the distinct ones).

The product of its digits is 302400, while the sum is 46.

The square root of 195457168 is about 13980.5997010143. The cubic root of 195457168 is about 580.3418199138.

It can be divided in two parts, 195457 and 168, that added together give a triangular number (195625 = T₆₂₅).

The spelling of 195457168 in words is "one hundred ninety-five million, four hundred fifty-seven thousand, one hundred sixty-eight".