260966865906 has 64 divisors (see below), whose sum is σ = 598072527360. Its totient is φ = 84286552320.

The previous prime is 260966865889. The next prime is 260966865937. The reversal of 260966865906 is 609568669062.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210535 + ... + 752501.

It is an arithmetic number, because the mean of its divisors is an integer number (9344883240).

Almost surely, 2^260966865906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260966865906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299036263680).

260966865906 is an abundant number, since it is smaller than the sum of its proper divisors (337105661454).

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

260966865906 is a wasteful number, since it uses less digits than its factorization.

260966865906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542256 (or 542250 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 260966865906 in words is "two hundred sixty billion, nine hundred sixty-six million, eight hundred sixty-five thousand, nine hundred six".