13065603606 has 192 divisors, whose sum is σ = 34615766016. Its totient is φ = 3512678400.

The previous prime is 13065603599. The next prime is 13065603641. The reversal of 13065603606 is 60630656031.

It is a happy number.

13065603606 is a `hidden beast` number, since 1 + 30 + 6 + 560 + 3 + 60 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5495490 + ... + 5497866.

It is an arithmetic number, because the mean of its divisors is an integer number (180290448).

Almost surely, 2^13065603606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13065603606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17307883008).

13065603606 is an abundant number, since it is smaller than the sum of its proper divisors (21550162410).

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

13065603606 is a wasteful number, since it uses less digits than its factorization.

13065603606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 13065603606 in words is "thirteen billion, sixty-five million, six hundred three thousand, six hundred six".