260564924961 has 24 divisors (see below), whose sum is σ = 432197007840. Its totient is φ = 149606654400.

The previous prime is 260564924957. The next prime is 260564924969. The reversal of 260564924961 is 169429465062.

260564924961 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 64 + 92 + 496 + 1 = 666.

It is not a de Polignac number, because 260564924961 - 2² = 260564924957 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 260564924898 and 260564924907.

It is not an unprimeable number, because it can be changed into a prime (260564924969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69260460 + ... + 69264221.

It is an arithmetic number, because the mean of its divisors is an integer number (18008208660).

Almost surely, 2^260564924961 is an apocalyptic number.

It is an amenable number.

260564924961 is a deficient number, since it is larger than the sum of its proper divisors (171632082879).

260564924961 is a wasteful number, since it uses less digits than its factorization.

260564924961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138524717 (or 138524714 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 260564924961 in words is "two hundred sixty billion, five hundred sixty-four million, nine hundred twenty-four thousand, nine hundred sixty-one".