260403660527 has 4 divisors (see below), whose sum is σ = 267441597336. Its totient is φ = 253365723720.

The previous prime is 260403660479. The next prime is 260403660529. The reversal of 260403660527 is 725066304062.

260403660527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260403660527 - 2⁸ = 260403660271 is a prime.

It is a super-2 number, since 2×260403660527² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260403660529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3518968349 + ... + 3518968422.

It is an arithmetic number, because the mean of its divisors is an integer number (66860399334).

Almost surely, 2^260403660527 is an apocalyptic number.

260403660527 is a deficient number, since it is larger than the sum of its proper divisors (7037936809).

260403660527 is an equidigital number, since it uses as much as digits as its factorization.

260403660527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7037936808.

The product of its (nonzero) digits is 362880, while the sum is 41.

Adding to 260403660527 its reverse (725066304062), we get a palindrome (985469964589).

The spelling of 260403660527 in words is "two hundred sixty billion, four hundred three million, six hundred sixty thousand, five hundred twenty-seven".