198162607 has 2 divisors, whose sum is σ = 198162608. Its totient is φ = 198162606.

The previous prime is 198162599. The next prime is 198162637. The reversal of 198162607 is 706261891.

It is a weak prime.

It is an emirp because it is prime and its reverse (706261891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198162607 - 2³ = 198162599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 198162607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198162637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99081303 + 99081304.

It is an arithmetic number, because the mean of its divisors is an integer number (99081304).

Almost surely, 2^198162607 is an apocalyptic number.

198162607 is a deficient number, since it is larger than the sum of its proper divisors (1).

198162607 is an equidigital number, since it uses as much as digits as its factorization.

198162607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 198162607 is about 14077.0240818150. The cubic root of 198162607 is about 583.0071787259.

The spelling of 198162607 in words is "one hundred ninety-eight million, one hundred sixty-two thousand, six hundred seven".