13635216406 has 16 divisors (see below), whose sum is σ = 23376165120. Its totient is φ = 5843287080.

The previous prime is 13635216337. The next prime is 13635216409. The reversal of 13635216406 is 60461253631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13635216409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370791 + ... + 405901.

It is an arithmetic number, because the mean of its divisors is an integer number (1461010320).

Almost surely, 2^13635216406 is an apocalyptic number.

13635216406 is a deficient number, since it is larger than the sum of its proper divisors (9740948714).

13635216406 is a wasteful number, since it uses less digits than its factorization.

13635216406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62859.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 13635216406 in words is "thirteen billion, six hundred thirty-five million, two hundred sixteen thousand, four hundred six".