16446061713513 has 4 divisors (see below), whose sum is σ = 21928082284688. Its totient is φ = 10964041142340.

The previous prime is 16446061713481. The next prime is 16446061713533. The reversal of 16446061713513 is 31531716064461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16446061713513 - 2⁵ = 16446061713481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16446061713533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741010285583 + ... + 2741010285588.

It is an arithmetic number, because the mean of its divisors is an integer number (5482020571172).

Almost surely, 2^{16446061713513} is an apocalyptic number.

It is an amenable number.

16446061713513 is a deficient number, since it is larger than the sum of its proper divisors (5482020571175).

16446061713513 is an equidigital number, since it uses as much as digits as its factorization.

16446061713513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5482020571174.

The product of its (nonzero) digits is 1088640, while the sum is 48.

Adding to 16446061713513 its reverse (31531716064461), we get a palindrome (47977777777974).

The spelling of 16446061713513 in words is "sixteen trillion, four hundred forty-six billion, sixty-one million, seven hundred thirteen thousand, five hundred thirteen".