2665305660604 has 12 divisors (see below), whose sum is σ = 4664296967904. Its totient is φ = 1332649384064.

The previous prime is 2665305660601. The next prime is 2665305660671. The reversal of 2665305660604 is 4060665035662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665305660601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775229 + ... + 2912395.

It is an arithmetic number, because the mean of its divisors is an integer number (388691413992).

Almost surely, 2^{2665305660604} is an apocalyptic number.

It is an amenable number.

2665305660604 is a deficient number, since it is larger than the sum of its proper divisors (1998991307300).

2665305660604 is a wasteful number, since it uses less digits than its factorization.

2665305660604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723124 (or 1723122 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 2665305660604 in words is "two trillion, six hundred sixty-five billion, three hundred five million, six hundred sixty thousand, six hundred four".