19696534665606 has 48 divisors (see below), whose sum is σ = 42812865501120. Its totient is φ = 6544435938480.

The previous prime is 19696534665601. The next prime is 19696534665671. The reversal of 19696534665606 is 60656643569691.

19696534665606 is a `hidden beast` number, since 1 + 9 + 6 + 9 + 6 + 5 + 3 + 4 + 6 + 6 + 5 + 606 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19696534665601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31403905 + ... + 32024963.

It is an arithmetic number, because the mean of its divisors is an integer number (891934697940).

Almost surely, 2^{19696534665606} is an apocalyptic number.

19696534665606 is an abundant number, since it is smaller than the sum of its proper divisors (23116330835514).

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

19696534665606 is a wasteful number, since it uses less digits than its factorization.

19696534665606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626721 (or 626718 counting only the distinct ones).

The product of its (nonzero) digits is 1133740800, while the sum is 72.

The spelling of 19696534665606 in words is "nineteen trillion, six hundred ninety-six billion, five hundred thirty-four million, six hundred sixty-five thousand, six hundred six".