16379665634305 has 4 divisors (see below), whose sum is σ = 19655598761172. Its totient is φ = 13103732507440.

The previous prime is 16379665634287. The next prime is 16379665634329. The reversal of 16379665634305 is 50343656697361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5034678828481 + 11344986805824 = 2243809^2 + 3368232^2 .

It is not a de Polignac number, because 16379665634305 - 2¹¹ = 16379665632257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637966563426 + ... + 1637966563435.

It is an arithmetic number, because the mean of its divisors is an integer number (4913899690293).

Almost surely, 2^{16379665634305} is an apocalyptic number.

It is an amenable number.

16379665634305 is a deficient number, since it is larger than the sum of its proper divisors (3275933126867).

16379665634305 is an equidigital number, since it uses as much as digits as its factorization.

16379665634305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275933126866.

The product of its (nonzero) digits is 220449600, while the sum is 64.

The spelling of 16379665634305 in words is "sixteen trillion, three hundred seventy-nine billion, six hundred sixty-five million, six hundred thirty-four thousand, three hundred five".