266419708964468 has 6 divisors (see below), whose sum is σ = 466234490687826. Its totient is φ = 133209854482232.

The previous prime is 266419708964467. The next prime is 266419708964599. The reversal of 266419708964468 is 864469807914662.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 221994444672484 + 44425264291984 = 14899478^2 + 6665228^2 .

It is a super-2 number, since 2×266419708964468² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 266419708964392 and 266419708964401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266419708964467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33302463620555 + ... + 33302463620562.

It is an arithmetic number, because the mean of its divisors is an integer number (77705748447971).

Almost surely, 2^{266419708964468} is an apocalyptic number.

It is an amenable number.

266419708964468 is a deficient number, since it is larger than the sum of its proper divisors (199814781723358).

266419708964468 is a wasteful number, since it uses less digits than its factorization.

266419708964468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66604927241121 (or 66604927241119 counting only the distinct ones).

The product of its (nonzero) digits is 6019743744, while the sum is 80.

The spelling of 266419708964468 in words is "two hundred sixty-six trillion, four hundred nineteen billion, seven hundred eight million, nine hundred sixty-four thousand, four hundred sixty-eight".