1366167 has 8 divisors (see below), whose sum is σ = 1987200. Its totient is φ = 827960.

The previous prime is 1366163. The next prime is 1366187. The reversal of 1366167 is 7616631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366167 - 2² = 1366163 is a prime.

It is an Ulam number.

1366167 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20667 + ... + 20732.

It is an arithmetic number, because the mean of its divisors is an integer number (248400).

2^1366167 is an apocalyptic number.

1366167 is a deficient number, since it is larger than the sum of its proper divisors (621033).

1366167 is a wasteful number, since it uses less digits than its factorization.

1366167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41413.

The product of its digits is 4536, while the sum is 30.

The square root of 1366167 is about 1168.8314677489. The cubic root of 1366167 is about 110.9603786842.

Subtracting from 1366167 its product of digits (4536), we obtain a palindrome (1361631).

The spelling of 1366167 in words is "one million, three hundred sixty-six thousand, one hundred sixty-seven".