261146472224608 has 24 divisors (see below), whose sum is σ = 518937090256872. Its totient is φ = 129352925492736.

The previous prime is 261146472224567. The next prime is 261146472224639. The reversal of 261146472224608 is 806422274641162.

261146472224608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38134703385 + ... + 38134710232.

It is an arithmetic number, because the mean of its divisors is an integer number (21622378760703).

Almost surely, 2^{261146472224608} is an apocalyptic number.

It is an amenable number.

261146472224608 is a deficient number, since it is larger than the sum of its proper divisors (257790618032264).

261146472224608 is a wasteful number, since it uses less digits than its factorization.

261146472224608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76269413734 (or 76269413726 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 261146472224608 in words is "two hundred sixty-one trillion, one hundred forty-six billion, four hundred seventy-two million, two hundred twenty-four thousand, six hundred eight".