198267125767 has 2 divisors, whose sum is σ = 198267125768. Its totient is φ = 198267125766.

The previous prime is 198267125747. The next prime is 198267125821. The reversal of 198267125767 is 767521762891.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198267125767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198267125737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99133562883 + 99133562884.

It is an arithmetic number, because the mean of its divisors is an integer number (99133562884).

Almost surely, 2^198267125767 is an apocalyptic number.

198267125767 is a deficient number, since it is larger than the sum of its proper divisors (1).

198267125767 is an equidigital number, since it uses as much as digits as its factorization.

198267125767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17781120, while the sum is 61.

The spelling of 198267125767 in words is "one hundred ninety-eight billion, two hundred sixty-seven million, one hundred twenty-five thousand, seven hundred sixty-seven".