13148324165 has 4 divisors (see below), whose sum is σ = 15777989004. Its totient is φ = 10518659328.

The previous prime is 13148324099. The next prime is 13148324171. The reversal of 13148324165 is 56142384131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56142384131 = 811 ⋅69226121.

It can be written as a sum of positive squares in 2 ways, for example, as 1335025444 + 11813298721 = 36538^2 + 108689^2 .

It is a cyclic number.

It is not a de Polignac number, because 13148324165 - 2²⁴ = 13131546949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314832412 + ... + 1314832421.

It is an arithmetic number, because the mean of its divisors is an integer number (3944497251).

Almost surely, 2^13148324165 is an apocalyptic number.

It is an amenable number.

13148324165 is a deficient number, since it is larger than the sum of its proper divisors (2629664839).

13148324165 is an equidigital number, since it uses as much as digits as its factorization.

13148324165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629664838.

The product of its digits is 69120, while the sum is 38.

The spelling of 13148324165 in words is "thirteen billion, one hundred forty-eight million, three hundred twenty-four thousand, one hundred sixty-five".