196173125425 has 24 divisors (see below), whose sum is σ = 247886422200. Its totient is φ = 153951283200.

The previous prime is 196173125419. The next prime is 196173125437. The reversal of 196173125425 is 524521371691.

It can be written as a sum of positive squares in 12 ways, for example, as 40147335424 + 156025790001 = 200368^2 + 395001^2 .

It is not a de Polignac number, because 196173125425 - 2³ = 196173125417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12528001 + ... + 12543649.

It is an arithmetic number, because the mean of its divisors is an integer number (10328600925).

Almost surely, 2^196173125425 is an apocalyptic number.

It is an amenable number.

196173125425 is a deficient number, since it is larger than the sum of its proper divisors (51713296775).

196173125425 is a wasteful number, since it uses less digits than its factorization.

196173125425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25173 (or 25168 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The spelling of 196173125425 in words is "one hundred ninety-six billion, one hundred seventy-three million, one hundred twenty-five thousand, four hundred twenty-five".