1968167 has 4 divisors (see below), whose sum is σ = 1972080. Its totient is φ = 1964256.

The previous prime is 1968163. The next prime is 1968173. The reversal of 1968167 is 7618691.

1968167 is nontrivially palindromic in base 8.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1968167 - 2² = 1968163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1968167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 2252.

It is an arithmetic number, because the mean of its divisors is an integer number (493020).

2^1968167 is an apocalyptic number.

1968167 is a deficient number, since it is larger than the sum of its proper divisors (3913).

1968167 is an equidigital number, since it uses as much as digits as its factorization.

1968167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 18144, while the sum is 38.

The square root of 1968167 is about 1402.9137535857. The cubic root of 1968167 is about 125.3200757128.

It can be divided in two parts, 19 and 68167, that added together give a palindrome (68186).

The spelling of 1968167 in words is "one million, nine hundred sixty-eight thousand, one hundred sixty-seven".