1316162065 has 8 divisors (see below), whose sum is σ = 1580423400. Its totient is φ = 1052243712.

The previous prime is 1316162063. The next prime is 1316162069. The reversal of 1316162065 is 5602616131.

It can be written as a sum of positive squares in 4 ways, for example, as 57047809 + 1259114256 = 7553^2 + 35484^2 .

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 1316162065 - 2¹ = 1316162063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316162063) 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, 77224 + ... + 92713.

It is an arithmetic number, because the mean of its divisors is an integer number (197552925).

Almost surely, 2^1316162065 is an apocalyptic number.

It is an amenable number.

1316162065 is a deficient number, since it is larger than the sum of its proper divisors (264261335).

1316162065 is a wasteful number, since it uses less digits than its factorization.

1316162065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171491.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1316162065 is about 36278.9479588370. The cubic root of 1316162065 is about 1095.8971304098.

Adding to 1316162065 its reverse (5602616131), we get a palindrome (6918778196).

The spelling of 1316162065 in words is "one billion, three hundred sixteen million, one hundred sixty-two thousand, sixty-five".