266666669348 has 6 divisors (see below), whose sum is σ = 466666671366. Its totient is φ = 133333334672.

The previous prime is 266666669317. The next prime is 266666669377. The reversal of 266666669348 is 843966666662.

It can be written as a sum of positive squares in only one way, i.e., 230161981504 + 36504687844 = 479752^2 + 191062^2 .

It is a super-2 number, since 2×266666669348² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33333333665 + ... + 33333333672.

It is an arithmetic number, because the mean of its divisors is an integer number (77777778561).

Almost surely, 2^266666669348 is an apocalyptic number.

It is an amenable number.

266666669348 is a deficient number, since it is larger than the sum of its proper divisors (200000002018).

266666669348 is a wasteful number, since it uses less digits than its factorization.

266666669348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66666667341 (or 66666667339 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 68.

The spelling of 266666669348 in words is "two hundred sixty-six billion, six hundred sixty-six million, six hundred sixty-nine thousand, three hundred forty-eight".