195166497 has 8 divisors (see below), whose sum is σ = 260492256. Its totient is φ = 129975872.

The previous prime is 195166471. The next prime is 195166507. The reversal of 195166497 is 794661591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195166497 - 2⁷ = 195166369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195166427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30363 + ... + 36224.

It is an arithmetic number, because the mean of its divisors is an integer number (32561532).

Almost surely, 2^195166497 is an apocalyptic number.

It is an amenable number.

195166497 is a deficient number, since it is larger than the sum of its proper divisors (65325759).

195166497 is an equidigital number, since it uses as much as digits as its factorization.

195166497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67567.

The product of its digits is 408240, while the sum is 48.

The square root of 195166497 is about 13970.2003206826. The cubic root of 195166497 is about 580.0539951713.

The spelling of 195166497 in words is "one hundred ninety-five million, one hundred sixty-six thousand, four hundred ninety-seven".