2660555584790 has 16 divisors (see below), whose sum is σ = 4791410254512. Its totient is φ = 1063686633504.

The previous prime is 2660555584787. The next prime is 2660555584811. The reversal of 2660555584790 is 974855550662.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66929189 + ... + 66968928.

It is an arithmetic number, because the mean of its divisors is an integer number (299463140907).

Almost surely, 2^{2660555584790} is an apocalyptic number.

2660555584790 is a deficient number, since it is larger than the sum of its proper divisors (2130854669722).

2660555584790 is a wasteful number, since it uses less digits than its factorization.

2660555584790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133900111.

The product of its (nonzero) digits is 90720000, while the sum is 62.

The spelling of 2660555584790 in words is "two trillion, six hundred sixty billion, five hundred fifty-five million, five hundred eighty-four thousand, seven hundred ninety".