16198667 has 2 divisors, whose sum is σ = 16198668. Its totient is φ = 16198666.

The previous prime is 16198613. The next prime is 16198669. The reversal of 16198667 is 76689161.

It is a strong prime.

It is an emirp because it is prime and its reverse (76689161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16198667 is a prime.

Together with 16198669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16198669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8099333 + 8099334.

It is an arithmetic number, because the mean of its divisors is an integer number (8099334).

Almost surely, 2^16198667 is an apocalyptic number.

16198667 is a deficient number, since it is larger than the sum of its proper divisors (1).

16198667 is an equidigital number, since it uses as much as digits as its factorization.

16198667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 16198667 is about 4024.7567628367. The cubic root of 16198667 is about 253.0228593030.

The spelling of 16198667 in words is "sixteen million, one hundred ninety-eight thousand, six hundred sixty-seven".