2660533054405 has 16 divisors (see below), whose sum is σ = 3361059820800. Its totient is φ = 2016172105920.

The previous prime is 2660533054381. The next prime is 2660533054441. The reversal of 2660533054405 is 5044503350662.

It is not a de Polignac number, because 2660533054405 - 2⁵ = 2660533054373 is a prime.

It is a super-2 number, since 2×2660533054405² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777706 + ... + 2434315.

It is an arithmetic number, because the mean of its divisors is an integer number (210066238800).

Almost surely, 2^{2660533054405} is an apocalyptic number.

It is an amenable number.

2660533054405 is a deficient number, since it is larger than the sum of its proper divisors (700526766395).

2660533054405 is a wasteful number, since it uses less digits than its factorization.

2660533054405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220764.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 2660533054405 in words is "two trillion, six hundred sixty billion, five hundred thirty-three million, fifty-four thousand, four hundred five".