266054465036023 has 4 divisors (see below), whose sum is σ = 267216274927240. Its totient is φ = 264892655144808.

The previous prime is 266054465035969. The next prime is 266054465036071. The reversal of 266054465036023 is 320630564450662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 266054465036023 - 2¹³ = 266054465027831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266054465036623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580904945265 + ... + 580904945722.

It is an arithmetic number, because the mean of its divisors is an integer number (66804068731810).

Almost surely, 2^{266054465036023} is an apocalyptic number.

266054465036023 is a deficient number, since it is larger than the sum of its proper divisors (1161809891217).

266054465036023 is a wasteful number, since it uses less digits than its factorization.

266054465036023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161809891216.

The product of its (nonzero) digits is 18662400, while the sum is 52.

The spelling of 266054465036023 in words is "two hundred sixty-six trillion, fifty-four billion, four hundred sixty-five million, thirty-six thousand, twenty-three".