266040461667 has 16 divisors (see below), whose sum is σ = 366997479840. Its totient is φ = 171223379712.

The previous prime is 266040461663. The next prime is 266040461707. The reversal of 266040461667 is 766164040662.

It is not a de Polignac number, because 266040461667 - 2² = 266040461663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266040461663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539743 + ... + 907415.

It is an arithmetic number, because the mean of its divisors is an integer number (22937342490).

Almost surely, 2^266040461667 is an apocalyptic number.

266040461667 is a deficient number, since it is larger than the sum of its proper divisors (100957018173).

266040461667 is a wasteful number, since it uses less digits than its factorization.

266040461667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376022.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 266040461667 in words is "two hundred sixty-six billion, forty million, four hundred sixty-one thousand, six hundred sixty-seven".