266320105 has 16 divisors (see below), whose sum is σ = 334813824. Its totient is φ = 202977280.

The previous prime is 266320099. The next prime is 266320127. The reversal of 266320105 is 501023662.

It is not a de Polignac number, because 266320105 - 2³ = 266320097 is a prime.

It is a super-2 number, since 2×266320105² = 141852796654422050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 266320105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25050 + ... + 34060.

It is an arithmetic number, because the mean of its divisors is an integer number (20925864).

Almost surely, 2^266320105 is an apocalyptic number.

It is an amenable number.

266320105 is a deficient number, since it is larger than the sum of its proper divisors (68493719).

266320105 is a wasteful number, since it uses less digits than its factorization.

266320105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 266320105 is about 16319.3169281070. The cubic root of 266320105 is about 643.3806341828.

Adding to 266320105 its reverse (501023662), we get a palindrome (767343767).

The spelling of 266320105 in words is "two hundred sixty-six million, three hundred twenty thousand, one hundred five".