1320672167 has 4 divisors (see below), whose sum is σ = 1378092720. Its totient is φ = 1263251616.

The previous prime is 1320672163. The next prime is 1320672229. The reversal of 1320672167 is 7612760231.

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 1320672167 - 2² = 1320672163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320672163) 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, 28710242 + ... + 28710287.

It is an arithmetic number, because the mean of its divisors is an integer number (344523180).

Almost surely, 2^1320672167 is an apocalyptic number.

1320672167 is a deficient number, since it is larger than the sum of its proper divisors (57420553).

1320672167 is an equidigital number, since it uses as much as digits as its factorization.

1320672167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57420552.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1320672167 is about 36341.0534657431. The cubic root of 1320672167 is about 1097.1474761615.

The spelling of 1320672167 in words is "one billion, three hundred twenty million, six hundred seventy-two thousand, one hundred sixty-seven".