2666535172841 has 8 divisors (see below), whose sum is σ = 2684387939904. Its totient is φ = 2648740844560.

The previous prime is 2666535172823. The next prime is 2666535172853. The reversal of 2666535172841 is 1482715356662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2666535172841 - 2³⁴ = 2649355303657 is a prime.

It is a super-2 number, since 2×2666535172841² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666535172811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14518130 + ... + 14700651.

It is an arithmetic number, because the mean of its divisors is an integer number (335548492488).

Almost surely, 2^{2666535172841} is an apocalyptic number.

It is an amenable number.

2666535172841 is a deficient number, since it is larger than the sum of its proper divisors (17852767063).

2666535172841 is a wasteful number, since it uses less digits than its factorization.

2666535172841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29219391.

The product of its digits is 14515200, while the sum is 56.

The spelling of 2666535172841 in words is "two trillion, six hundred sixty-six billion, five hundred thirty-five million, one hundred seventy-two thousand, eight hundred forty-one".