13416063216405 has 8 divisors (see below), whose sum is σ = 21465701146272. Its totient is φ = 7155233715408.

The previous prime is 13416063216379. The next prime is 13416063216443. The reversal of 13416063216405 is 50461236061431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13416063216405 - 2²⁴ = 13416046439189 is a prime.

It is a super-2 number, since 2×13416063216405² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447202107199 + ... + 447202107228.

It is an arithmetic number, because the mean of its divisors is an integer number (2683212643284).

Almost surely, 2^{13416063216405} is an apocalyptic number.

13416063216405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13416063216405 is a deficient number, since it is larger than the sum of its proper divisors (8049637929867).

13416063216405 is an equidigital number, since it uses as much as digits as its factorization.

13416063216405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894404214435.

The product of its (nonzero) digits is 311040, while the sum is 42.

Adding to 13416063216405 its reverse (50461236061431), we get a palindrome (63877299277836).

The spelling of 13416063216405 in words is "thirteen trillion, four hundred sixteen billion, sixty-three million, two hundred sixteen thousand, four hundred five".