13726611161946 has 64 divisors (see below), whose sum is σ = 30727661852160. Its totient is φ = 4541927938560.

The previous prime is 13726611161927. The next prime is 13726611161947. The reversal of 13726611161946 is 64916111662731.

13726611161946 is a `hidden beast` number, since 1 + 3 + 7 + 2 + 6 + 6 + 1 + 11 + 619 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13726611161892 and 13726611161901.

It is not an unprimeable number, because it can be changed into a prime (13726611161947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307150015 + ... + 307194701.

It is an arithmetic number, because the mean of its divisors is an integer number (480119716440).

Almost surely, 2^{13726611161946} is an apocalyptic number.

13726611161946 is an abundant number, since it is smaller than the sum of its proper divisors (17001050690214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13726611161946 is a wasteful number, since it uses less digits than its factorization.

13726611161946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86356 (or 86350 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The spelling of 13726611161946 in words is "thirteen trillion, seven hundred twenty-six billion, six hundred eleven million, one hundred sixty-one thousand, nine hundred forty-six".