260478825566 has 16 divisors (see below), whose sum is σ = 398163279888. Its totient is φ = 127758633600.

The previous prime is 260478825527. The next prime is 260478825571. The reversal of 260478825566 is 665528874062.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362681 + ... + 807771.

It is an arithmetic number, because the mean of its divisors is an integer number (24885204993).

Almost surely, 2^260478825566 is an apocalyptic number.

260478825566 is a deficient number, since it is larger than the sum of its proper divisors (137684454322).

260478825566 is a wasteful number, since it uses less digits than its factorization.

260478825566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450667.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 260478825566 in words is "two hundred sixty billion, four hundred seventy-eight million, eight hundred twenty-five thousand, five hundred sixty-six".