2660810843 has 4 divisors (see below), whose sum is σ = 2662234848. Its totient is φ = 2659386840.

The previous prime is 2660810819. The next prime is 2660810857. The reversal of 2660810843 is 3480180662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2660810843 - 2⁸ = 2660810587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2660810797 and 2660810806.

It is not an unprimeable number, because it can be changed into a prime (2660816843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 709196 + ... + 712937.

It is an arithmetic number, because the mean of its divisors is an integer number (665558712).

Almost surely, 2^2660810843 is an apocalyptic number.

2660810843 is a deficient number, since it is larger than the sum of its proper divisors (1424005).

2660810843 is a wasteful number, since it uses less digits than its factorization.

2660810843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424004.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 2660810843 is about 51583.0480196741. The cubic root of 2660810843 is about 1385.7067544591.

The spelling of 2660810843 in words is "two billion, six hundred sixty million, eight hundred ten thousand, eight hundred forty-three".