260802881686 has 4 divisors (see below), whose sum is σ = 391204322532. Its totient is φ = 130401440842.

The previous prime is 260802881627. The next prime is 260802881737. The reversal of 260802881686 is 686188208062.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65200720420 + ... + 65200720423.

It is an arithmetic number, because the mean of its divisors is an integer number (97801080633).

Almost surely, 2^260802881686 is an apocalyptic number.

260802881686 is a deficient number, since it is larger than the sum of its proper divisors (130401440846).

260802881686 is a wasteful number, since it uses less digits than its factorization.

260802881686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130401440845.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 260802881686 in words is "two hundred sixty billion, eight hundred two million, eight hundred eighty-one thousand, six hundred eighty-six".