266446364432223 has 16 divisors (see below), whose sum is σ = 357431571334656. Its totient is φ = 176546286170400.

The previous prime is 266446364432201. The next prime is 266446364432243. The reversal of 266446364432223 is 322234463644662.

It is not a de Polignac number, because 266446364432223 - 2¹⁸ = 266446364170079 is a prime.

It is a super-2 number, since 2×266446364432223² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266446364432243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27350128 + ... + 35789973.

It is an arithmetic number, because the mean of its divisors is an integer number (22339473208416).

Almost surely, 2^{266446364432223} is an apocalyptic number.

266446364432223 is a deficient number, since it is larger than the sum of its proper divisors (90985206902433).

266446364432223 is a wasteful number, since it uses less digits than its factorization.

266446364432223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63148694.

The product of its digits is 143327232, while the sum is 57.

The spelling of 266446364432223 in words is "two hundred sixty-six trillion, four hundred forty-six billion, three hundred sixty-four million, four hundred thirty-two thousand, two hundred twenty-three".