2660688343 has 8 divisors (see below), whose sum is σ = 2817659520. Its totient is φ = 2503768320.

The previous prime is 2660688299. The next prime is 2660688391. The reversal of 2660688343 is 3438860662.

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 2660688343 - 2⁹ = 2660687831 is a prime.

It is a super-3 number, since 3×2660688343³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2660688293 and 2660688302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660685343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165178 + ... + 180568.

It is an arithmetic number, because the mean of its divisors is an integer number (352207440).

Almost surely, 2^2660688343 is an apocalyptic number.

2660688343 is a deficient number, since it is larger than the sum of its proper divisors (156971177).

2660688343 is a wasteful number, since it uses less digits than its factorization.

2660688343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25577.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 2660688343 is about 51581.8606004087. The cubic root of 2660688343 is about 1385.6854888008.

The spelling of 2660688343 in words is "two billion, six hundred sixty million, six hundred eighty-eight thousand, three hundred forty-three".