266344241427 has 12 divisors (see below), whose sum is σ = 419693956344. Its totient is φ = 161420752320.

The previous prime is 266344241393. The next prime is 266344241437. The reversal of 266344241427 is 724142443662.

266344241427 is a `hidden beast` number, since 2 + 6 + 63 + 442 + 4 + 142 + 7 = 666.

It is not a de Polignac number, because 266344241427 - 2⁷ = 266344241299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266344241437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1345172838 + ... + 1345173035.

It is an arithmetic number, because the mean of its divisors is an integer number (34974496362).

Almost surely, 2^266344241427 is an apocalyptic number.

266344241427 is a deficient number, since it is larger than the sum of its proper divisors (153349714917).

266344241427 is a wasteful number, since it uses less digits than its factorization.

266344241427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690345890 (or 2690345887 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The spelling of 266344241427 in words is "two hundred sixty-six billion, three hundred forty-four million, two hundred forty-one thousand, four hundred twenty-seven".