13663466311646 has 16 divisors (see below), whose sum is σ = 20561124402000. Its totient is φ = 6809788220928.

The previous prime is 13663466311589. The next prime is 13663466311661. The reversal of 13663466311646 is 64611366436631.

It is a junction number, because it is equal to n+sod(n) for n = 13663466311591 and 13663466311600.

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, 6600416 + ... + 8419763.

It is an arithmetic number, because the mean of its divisors is an integer number (1285070275125).

Almost surely, 2^{13663466311646} is an apocalyptic number.

13663466311646 is a deficient number, since it is larger than the sum of its proper divisors (6897658090354).

13663466311646 is a wasteful number, since it uses less digits than its factorization.

13663466311646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021643.

The product of its digits is 20155392, while the sum is 56.

The spelling of 13663466311646 in words is "thirteen trillion, six hundred sixty-three billion, four hundred sixty-six million, three hundred eleven thousand, six hundred forty-six".