1164173385 has 8 divisors (see below), whose sum is σ = 1862677440. Its totient is φ = 620892464.

The previous prime is 1164173383. The next prime is 1164173389. The reversal of 1164173385 is 5833714611.

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 1164173385 - 2¹ = 1164173383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164173383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38805765 + ... + 38805794.

It is an arithmetic number, because the mean of its divisors is an integer number (232834680).

Almost surely, 2^1164173385 is an apocalyptic number.

1164173385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164173385 is a deficient number, since it is larger than the sum of its proper divisors (698504055).

1164173385 is an equidigital number, since it uses as much as digits as its factorization.

1164173385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77611567.

The product of its digits is 60480, while the sum is 39.

The square root of 1164173385 is about 34119.9851260225. The cubic root of 1164173385 is about 1051.9761379143.

Adding to 1164173385 its reverse (5833714611), we get a palindrome (6997887996).

The spelling of 1164173385 in words is "one billion, one hundred sixty-four million, one hundred seventy-three thousand, three hundred eighty-five".