13446164365 has 16 divisors (see below), whose sum is σ = 17235741168. Its totient is φ = 10034569216.

The previous prime is 13446164357. The next prime is 13446164377. The reversal of 13446164365 is 56346164431.

13446164365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2051455849 + 11394708516 = 45293^2 + 106746^2 .

It is a cyclic number.

It is not a de Polignac number, because 13446164365 - 2³ = 13446164357 is a prime.

It is a super-2 number, since 2×13446164365² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690352 + ... + 709561.

It is an arithmetic number, because the mean of its divisors is an integer number (1077233823).

Almost surely, 2^13446164365 is an apocalyptic number.

It is an amenable number.

13446164365 is a deficient number, since it is larger than the sum of its proper divisors (3789576803).

13446164365 is a wasteful number, since it uses less digits than its factorization.

13446164365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400048.

The product of its digits is 622080, while the sum is 43.

The spelling of 13446164365 in words is "thirteen billion, four hundred forty-six million, one hundred sixty-four thousand, three hundred sixty-five".