2660540236 has 12 divisors (see below), whose sum is σ = 4656318912. Its totient is φ = 1330163408.

The previous prime is 2660540231. The next prime is 2660540237. The reversal of 2660540236 is 6320450662.

It is not an unprimeable number, because it can be changed into a prime (2660540231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62661 + ... + 96163.

It is an arithmetic number, because the mean of its divisors is an integer number (388026576).

Almost surely, 2^2660540236 is an apocalyptic number.

It is an amenable number.

2660540236 is a deficient number, since it is larger than the sum of its proper divisors (1995778676).

2660540236 is a wasteful number, since it uses less digits than its factorization.

2660540236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53360 (or 53358 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2660540236 is about 51580.4249303939. The cubic root of 2660540236 is about 1385.6597769670.

Adding to 2660540236 its reverse (6320450662), we get a palindrome (8980990898).

The spelling of 2660540236 in words is "two billion, six hundred sixty million, five hundred forty thousand, two hundred thirty-six".