261360682798 has 32 divisors (see below), whose sum is σ = 401160624480. Its totient is φ = 127678394880.

The previous prime is 261360682789. The next prime is 261360682811. The reversal of 261360682798 is 897286063162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9260268 + ... + 9288448.

It is an arithmetic number, because the mean of its divisors is an integer number (12536269515).

Almost surely, 2^261360682798 is an apocalyptic number.

261360682798 is a deficient number, since it is larger than the sum of its proper divisors (139799941682).

261360682798 is a wasteful number, since it uses less digits than its factorization.

261360682798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 261360682798 in words is "two hundred sixty-one billion, three hundred sixty million, six hundred eighty-two thousand, seven hundred ninety-eight".