195467663 has 2 divisors, whose sum is σ = 195467664. Its totient is φ = 195467662.

The previous prime is 195467659. The next prime is 195467711. The reversal of 195467663 is 366764591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195467663 - 2² = 195467659 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195467653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97733831 + 97733832.

It is an arithmetic number, because the mean of its divisors is an integer number (97733832).

Almost surely, 2^195467663 is an apocalyptic number.

195467663 is a deficient number, since it is larger than the sum of its proper divisors (1).

195467663 is an equidigital number, since it uses as much as digits as its factorization.

195467663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 47.

The square root of 195467663 is about 13980.9750375287. The cubic root of 195467663 is about 580.3522068073.

The spelling of 195467663 in words is "one hundred ninety-five million, four hundred sixty-seven thousand, six hundred sixty-three".