12646536771606 has 32 divisors (see below), whose sum is σ = 25672664365920. Its totient is φ = 4152694224384.

The previous prime is 12646536771587. The next prime is 12646536771611. The reversal of 12646536771606 is 60617763564621.

It is a self number, because there is not a number n which added to its sum of digits gives 12646536771606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55774755 + ... + 56001038.

It is an arithmetic number, because the mean of its divisors is an integer number (802270761435).

Almost surely, 2^{12646536771606} is an apocalyptic number.

12646536771606 is an abundant number, since it is smaller than the sum of its proper divisors (13026127594314).

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

12646536771606 is a wasteful number, since it uses less digits than its factorization.

12646536771606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111776080.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 12646536771606 in words is "twelve trillion, six hundred forty-six billion, five hundred thirty-six million, seven hundred seventy-one thousand, six hundred six".