266010005665604 has 12 divisors (see below), whose sum is σ = 465518537591184. Its totient is φ = 133004709210984.

The previous prime is 266010005665463. The next prime is 266010005665631. The reversal of 266010005665604 is 406566500010662.

It is a super-2 number, since 2×266010005665604² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71360714 + ... + 74995809.

It is an arithmetic number, because the mean of its divisors is an integer number (38793211465932).

Almost surely, 2^{266010005665604} is an apocalyptic number.

It is an amenable number.

266010005665604 is a deficient number, since it is larger than the sum of its proper divisors (199508531925580).

266010005665604 is a wasteful number, since it uses less digits than its factorization.

266010005665604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146810914 (or 146810912 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 266010005665604 in words is "two hundred sixty-six trillion, ten billion, five million, six hundred sixty-five thousand, six hundred four".