2661593475175 has 6 divisors (see below), whose sum is σ = 3300375909248. Its totient is φ = 2129274780120.

The previous prime is 2661593475169. The next prime is 2661593475217. The reversal of 2661593475175 is 5715743951662.

It is a de Polignac number, because none of the positive numbers 2^k-2661593475175 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 53231869479 + ... + 53231869528.

Almost surely, 2^{2661593475175} is an apocalyptic number.

2661593475175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2661593475175 is a deficient number, since it is larger than the sum of its proper divisors (638782434073).

2661593475175 is a wasteful number, since it uses less digits than its factorization.

2661593475175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106463739017 (or 106463739012 counting only the distinct ones).

The product of its digits is 47628000, while the sum is 61.

The spelling of 2661593475175 in words is "two trillion, six hundred sixty-one billion, five hundred ninety-three million, four hundred seventy-five thousand, one hundred seventy-five".