266046012633623 has 4 divisors (see below), whose sum is σ = 266046063416040. Its totient is φ = 266045961851208.

The previous prime is 266046012633607. The next prime is 266046012633641. The reversal of 266046012633623 is 326336210640662.

It is a happy number.

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 266046012633623 - 2⁴ = 266046012633607 is a prime.

It is a super-2 number, since 2×266046012633623² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266046012663623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16493465 + ... + 28357122.

It is an arithmetic number, because the mean of its divisors is an integer number (66511515854010).

Almost surely, 2^{266046012633623} is an apocalyptic number.

266046012633623 is a deficient number, since it is larger than the sum of its proper divisors (50782417).

266046012633623 is an equidigital number, since it uses as much as digits as its factorization.

266046012633623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50782416.

The product of its (nonzero) digits is 6718464, while the sum is 50.

The spelling of 266046012633623 in words is "two hundred sixty-six trillion, forty-six billion, twelve million, six hundred thirty-three thousand, six hundred twenty-three".