261760477616348 has 36 divisors (see below), whose sum is σ = 465352347574800. Its totient is φ = 128834633644992.

The previous prime is 261760477616329. The next prime is 261760477616353. The reversal of 261760477616348 is 843616774067162.

261760477616348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19910336 + ... + 30330552.

It is an arithmetic number, because the mean of its divisors is an integer number (12926454099300).

Almost surely, 2^{261760477616348} is an apocalyptic number.

It is an amenable number.

261760477616348 is a deficient number, since it is larger than the sum of its proper divisors (203591869958452).

261760477616348 is a wasteful number, since it uses less digits than its factorization.

261760477616348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421754 (or 10421685 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 68.

The spelling of 261760477616348 in words is "two hundred sixty-one trillion, seven hundred sixty billion, four hundred seventy-seven million, six hundred sixteen thousand, three hundred forty-eight".