260616256992 has 576 divisors, whose sum is σ = 951575998464. Its totient is φ = 65811087360.

The previous prime is 260616256987. The next prime is 260616257009. The reversal of 260616256992 is 299652616062.

260616256992 is a `hidden beast` number, since 2 + 6 + 0 + 6 + 1 + 625 + 6 + 9 + 9 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78805803 + ... + 78809109.

It is an arithmetic number, because the mean of its divisors is an integer number (1652041664).

Almost surely, 2^260616256992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260616256992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475787999232).

260616256992 is an abundant number, since it is smaller than the sum of its proper divisors (690959741472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260616256992 is a wasteful number, since it uses less digits than its factorization.

260616256992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 260616256992 in words is "two hundred sixty billion, six hundred sixteen million, two hundred fifty-six thousand, nine hundred ninety-two".