167198563 has 16 divisors (see below), whose sum is σ = 193665024. Its totient is φ = 141392160.

The previous prime is 167198557. The next prime is 167198573. The reversal of 167198563 is 365891761.

It is a happy number.

It is not a de Polignac number, because 167198563 - 2¹⁷ = 167067491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167198573) 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 in 15 ways as a sum of consecutive naturals, for example, 183078 + ... + 183988.

It is an arithmetic number, because the mean of its divisors is an integer number (12104064).

Almost surely, 2^167198563 is an apocalyptic number.

167198563 is a deficient number, since it is larger than the sum of its proper divisors (26466461).

167198563 is a wasteful number, since it uses less digits than its factorization.

167198563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its digits is 272160, while the sum is 46.

The square root of 167198563 is about 12930.5283341401. The cubic root of 167198563 is about 550.9060141428.

It can be divided in two parts, 167198 and 563, that added together give a palindrome (167761).

The spelling of 167198563 in words is "one hundred sixty-seven million, one hundred ninety-eight thousand, five hundred sixty-three".