705581085966 has 16 divisors (see below), whose sum is σ = 1418325434064. Its totient is φ = 233999818304.

The previous prime is 705581085893. The next prime is 705581086123. The reversal of 705581085966 is 669580185507.

705581085966 is digitally balanced in base 2 and base 4, because in such bases 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 7 ways as a sum of consecutive naturals, for example, 298467975 + ... + 298470338.

It is an arithmetic number, because the mean of its divisors is an integer number (88645339629).

Almost surely, 2^705581085966 is an apocalyptic number.

705581085966 is an abundant number, since it is smaller than the sum of its proper divisors (712744348098).

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

705581085966 is a wasteful number, since it uses less digits than its factorization.

705581085966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596938515.

The product of its (nonzero) digits is 18144000, while the sum is 60.

The spelling of 705581085966 in words is "seven hundred five billion, five hundred eighty-one million, eighty-five thousand, nine hundred sixty-six".