2665343819055 has 16 divisors (see below), whose sum is σ = 4265921864160. Its totient is φ = 1421059452288.

The previous prime is 2665343818999. The next prime is 2665343819057. The reversal of 2665343819055 is 5509183435662.

It is a happy number.

It is not a de Polignac number, because 2665343819055 - 2¹⁰ = 2665343818031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2665343818986 and 2665343819004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665343819057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28530012 + ... + 28623281.

It is an arithmetic number, because the mean of its divisors is an integer number (266620116510).

Almost surely, 2^{2665343819055} is an apocalyptic number.

2665343819055 is a deficient number, since it is larger than the sum of its proper divisors (1600578045105).

2665343819055 is a wasteful number, since it uses less digits than its factorization.

2665343819055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57156410.

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 2665343819055 in words is "two trillion, six hundred sixty-five billion, three hundred forty-three million, eight hundred nineteen thousand, fifty-five".