266054050065 has 16 divisors (see below), whose sum is σ = 425859652800. Its totient is φ = 141837769152.

The previous prime is 266054050013. The next prime is 266054050127. The reversal of 266054050065 is 560050450662.

It is a happy number.

It is not a de Polignac number, because 266054050065 - 2¹¹ = 266054048017 is a prime.

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, 3569650 + ... + 3643419.

It is an arithmetic number, because the mean of its divisors is an integer number (26616228300).

Almost surely, 2^266054050065 is an apocalyptic number.

It is an amenable number.

266054050065 is a deficient number, since it is larger than the sum of its proper divisors (159805602735).

266054050065 is a wasteful number, since it uses less digits than its factorization.

266054050065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7215536.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 266054050065 in words is "two hundred sixty-six billion, fifty-four million, fifty thousand, sixty-five".