260081636 has 12 divisors (see below), whose sum is σ = 458618160. Its totient is φ = 129047880.

The previous prime is 260081603. The next prime is 260081639. The reversal of 260081636 is 636180062.

It is not an unprimeable number, because it can be changed into a prime (260081639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247646 + ... + 248693.

It is an arithmetic number, because the mean of its divisors is an integer number (38218180).

Almost surely, 2^260081636 is an apocalyptic number.

It is an amenable number.

260081636 is a deficient number, since it is larger than the sum of its proper divisors (198536524).

260081636 is a wasteful number, since it uses less digits than its factorization.

260081636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496474 (or 496472 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 260081636 is about 16127.0467228194. The cubic root of 260081636 is about 638.3172231677.

The spelling of 260081636 in words is "two hundred sixty million, eighty-one thousand, six hundred thirty-six".