266530262314261 has 32 divisors (see below), whose sum is σ = 295840320503040. Its totient is φ = 238091861145600.

The previous prime is 266530262314229. The next prime is 266530262314289. The reversal of 266530262314261 is 162413262035662.

It is not a de Polignac number, because 266530262314261 - 2⁵ = 266530262314229 is a prime.

It is a super-2 number, since 2×266530262314261² (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 (266530266314261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1434770961 + ... + 1434956713.

It is an arithmetic number, because the mean of its divisors is an integer number (9245010015720).

Almost surely, 2^{266530262314261} is an apocalyptic number.

It is an amenable number.

266530262314261 is a deficient number, since it is larger than the sum of its proper divisors (29310058188779).

266530262314261 is a wasteful number, since it uses less digits than its factorization.

266530262314261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192477.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 266530262314261 in words is "two hundred sixty-six trillion, five hundred thirty billion, two hundred sixty-two million, three hundred fourteen thousand, two hundred sixty-one".