13361832187456 has 21 divisors (see below), whose sum is σ = 26514943776331. Its totient is φ = 6680901472192.

The previous prime is 13361832187439. The next prime is 13361832187471. The reversal of 13361832187456 is 65478123816331.

The square root of 13361832187456 is 3655384.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13361832187456.

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 2 ways as a sum of consecutive naturals, for example, 29014611 + ... + 29471533.

Almost surely, 2^{13361832187456} is an apocalyptic number.

13361832187456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13361832187456 is the 3655384-th square number.

It is an amenable number.

13361832187456 is a deficient number, since it is larger than the sum of its proper divisors (13153111588875).

13361832187456 is an frugal number, since it uses more digits than its factorization.

13361832187456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913858 (or 456925 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 13361832187456 in words is "thirteen trillion, three hundred sixty-one billion, eight hundred thirty-two million, one hundred eighty-seven thousand, four hundred fifty-six".