2045565663606 has 12 divisors (see below), whose sum is σ = 4432058937852. Its totient is φ = 681855221196.

The previous prime is 2045565663601. The next prime is 2045565663613. The reversal of 2045565663606 is 6063665655402.

2045565663606 is a `hidden beast` number, since 2 + 0 + 4 + 556 + 56 + 6 + 36 + 0 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045565663601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56821268416 + ... + 56821268451.

It is an arithmetic number, because the mean of its divisors is an integer number (369338244821).

Almost surely, 2^{2045565663606} is an apocalyptic number.

2045565663606 is an abundant number, since it is smaller than the sum of its proper divisors (2386493274246).

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

2045565663606 is a wasteful number, since it uses less digits than its factorization.

2045565663606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113642536875 (or 113642536872 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 2045565663606 in words is "two trillion, forty-five billion, five hundred sixty-five million, six hundred sixty-three thousand, six hundred six".