2660843085 has 8 divisors (see below), whose sum is σ = 4257348960. Its totient is φ = 1419116304.

The previous prime is 2660843063. The next prime is 2660843099. The reversal of 2660843085 is 5803480662.

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

It is not a de Polignac number, because 2660843085 - 2⁷ = 2660842957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88694755 + ... + 88694784.

It is an arithmetic number, because the mean of its divisors is an integer number (532168620).

Almost surely, 2^2660843085 is an apocalyptic number.

It is an amenable number.

2660843085 is a deficient number, since it is larger than the sum of its proper divisors (1596505875).

2660843085 is a wasteful number, since it uses less digits than its factorization.

2660843085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177389547.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2660843085 is about 51583.3605438808. The cubic root of 2660843085 is about 1385.7123514718.

The spelling of 2660843085 in words is "two billion, six hundred sixty million, eight hundred forty-three thousand, eighty-five".