13210587165 has 16 divisors (see below), whose sum is σ = 22055937408. Its totient is φ = 6739313856.

The previous prime is 13210587157. The next prime is 13210587209. The reversal of 13210587165 is 56178501231.

It is not a de Polignac number, because 13210587165 - 2³ = 13210587157 is a prime.

It is a super-2 number, since 2×13210587165² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 19145434 + ... + 19146123.

It is an arithmetic number, because the mean of its divisors is an integer number (1378496088).

Almost surely, 2^13210587165 is an apocalyptic number.

13210587165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13210587165 is a deficient number, since it is larger than the sum of its proper divisors (8845350243).

13210587165 is a wasteful number, since it uses less digits than its factorization.

13210587165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38291588.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 13210587165 in words is "thirteen billion, two hundred ten million, five hundred eighty-seven thousand, one hundred sixty-five".