260554219668 has 192 divisors, whose sum is σ = 739462348800. Its totient is φ = 78983216640.

The previous prime is 260554219619. The next prime is 260554219727. The reversal of 260554219668 is 866912455062.

260554219668 is a `hidden beast` number, since 2 + 6 + 0 + 5 + 542 + 1 + 96 + 6 + 8 = 666.

260554219668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40919421 + ... + 40925787.

It is an arithmetic number, because the mean of its divisors is an integer number (3851366400).

Almost surely, 2^260554219668 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 260554219668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369731174400).

260554219668 is an abundant number, since it is smaller than the sum of its proper divisors (478908129132).

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

260554219668 is a wasteful number, since it uses less digits than its factorization.

260554219668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 260554219668 in words is "two hundred sixty billion, five hundred fifty-four million, two hundred nineteen thousand, six hundred sixty-eight".