1165173167 has 8 divisors (see below), whose sum is σ = 1169493600. Its totient is φ = 1160861184.

The previous prime is 1165173151. The next prime is 1165173187. The reversal of 1165173167 is 7613715611.

It is a happy number.

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 1165173167 - 2⁴ = 1165173151 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 1165173167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165173127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406403 + ... + 409259.

It is an arithmetic number, because the mean of its divisors is an integer number (146186700).

Almost surely, 2^1165173167 is an apocalyptic number.

1165173167 is a deficient number, since it is larger than the sum of its proper divisors (4320433).

1165173167 is an equidigital number, since it uses as much as digits as its factorization.

1165173167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225.

The product of its digits is 26460, while the sum is 38.

The square root of 1165173167 is about 34134.6329554018. The cubic root of 1165173167 is about 1052.2771944085.

Adding to 1165173167 its reverse (7613715611), we get a palindrome (8778888778).

The spelling of 1165173167 in words is "one billion, one hundred sixty-five million, one hundred seventy-three thousand, one hundred sixty-seven".