266666669352 has 48 divisors (see below), whose sum is σ = 722604928500. Its totient is φ = 88841788416.

The previous prime is 266666669317. The next prime is 266666669377. The reversal of 266666669352 is 253966666662.

It can be written as a sum of positive squares in 2 ways, for example, as 260767507716 + 5899161636 = 510654^2 + 76806^2 .

It is a super-2 number, since 2×266666669352² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266666669352.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844327 + ... + 1116342.

Almost surely, 2^266666669352 is an apocalyptic number.

It is an amenable number.

266666669352 is an abundant number, since it is smaller than the sum of its proper divisors (455938259148).

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

266666669352 is a wasteful number, since it uses less digits than its factorization.

266666669352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962570 (or 1962563 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 63.

The spelling of 266666669352 in words is "two hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-nine thousand, three hundred fifty-two".