260661759817 has 8 divisors (see below), whose sum is σ = 261716525280. Its totient is φ = 259607124000.

The previous prime is 260661759797. The next prime is 260661759833. The reversal of 260661759817 is 718957166062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 260661759817 - 2²⁷ = 260527542089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260661759317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7591434 + ... + 7625692.

It is an arithmetic number, because the mean of its divisors is an integer number (32714565660).

Almost surely, 2^260661759817 is an apocalyptic number.

It is an amenable number.

260661759817 is a deficient number, since it is larger than the sum of its proper divisors (1054765463).

260661759817 is a wasteful number, since it uses less digits than its factorization.

260661759817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64823.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 260661759817 in words is "two hundred sixty billion, six hundred sixty-one million, seven hundred fifty-nine thousand, eight hundred seventeen".