2660049585 has 32 divisors (see below), whose sum is σ = 5007156480. Its totient is φ = 1335239424.

The previous prime is 2660049583. The next prime is 2660049599. The reversal of 2660049585 is 5859400662.

2660049585 is a `hidden beast` number, since 2 + 6 + 60 + 0 + 4 + 9 + 585 = 666.

It is not a de Polignac number, because 2660049585 - 2¹ = 2660049583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2660049585.

It is not an unprimeable number, because it can be changed into a prime (2660049583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577237 + ... + 581826.

It is an arithmetic number, because the mean of its divisors is an integer number (156473640).

Almost surely, 2^2660049585 is an apocalyptic number.

It is an amenable number.

2660049585 is a deficient number, since it is larger than the sum of its proper divisors (2347106895).

2660049585 is a wasteful number, since it uses less digits than its factorization.

2660049585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159094 (or 1159088 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 2660049585 is about 51575.6685366268. The cubic root of 2660049585 is about 1385.5745916171.

The spelling of 2660049585 in words is "two billion, six hundred sixty million, forty-nine thousand, five hundred eighty-five".