266948665920852 has 24 divisors (see below), whose sum is σ = 655663389981600. Its totient is φ = 84299578711776.

The previous prime is 266948665920823. The next prime is 266948665920863. The reversal of 266948665920852 is 258029566849662.

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, 585413740827 + ... + 585413741282.

It is an arithmetic number, because the mean of its divisors is an integer number (27319307915900).

Almost surely, 2^{266948665920852} is an apocalyptic number.

It is an amenable number.

266948665920852 is an abundant number, since it is smaller than the sum of its proper divisors (388714724060748).

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

266948665920852 is a wasteful number, since it uses less digits than its factorization.

266948665920852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170827482135 (or 1170827482133 counting only the distinct ones).

The product of its (nonzero) digits is 5374771200, while the sum is 78.

The spelling of 266948665920852 in words is "two hundred sixty-six trillion, nine hundred forty-eight billion, six hundred sixty-five million, nine hundred twenty thousand, eight hundred fifty-two".