2660552791 has 8 divisors (see below), whose sum is σ = 2884442400. Its totient is φ = 2439410592.

The previous prime is 2660552789. The next prime is 2660552801. The reversal of 2660552791 is 1972550662.

2660552791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2660552791 - 2¹ = 2660552789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660552891) 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, 684835 + ... + 688708.

It is an arithmetic number, because the mean of its divisors is an integer number (360555300).

Almost surely, 2^2660552791 is an apocalyptic number.

2660552791 is a deficient number, since it is larger than the sum of its proper divisors (223889609).

2660552791 is a wasteful number, since it uses less digits than its factorization.

2660552791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373705.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2660552791 is about 51580.5466333966. The cubic root of 2660552791 is about 1385.6619565909.

The spelling of 2660552791 in words is "two billion, six hundred sixty million, five hundred fifty-two thousand, seven hundred ninety-one".