266101265 has 16 divisors (see below), whose sum is σ = 322721280. Its totient is φ = 210625920.

The previous prime is 266101229. The next prime is 266101273. The reversal of 266101265 is 562101662.

266101265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266101265 - 2⁶ = 266101201 is a prime.

It is a nialpdrome in base 16.

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, 327710 + ... + 328520.

It is an arithmetic number, because the mean of its divisors is an integer number (20170080).

Almost surely, 2^266101265 is an apocalyptic number.

It is an amenable number.

266101265 is a deficient number, since it is larger than the sum of its proper divisors (56620015).

266101265 is a wasteful number, since it uses less digits than its factorization.

266101265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 266101265 is about 16312.6106126518. The cubic root of 266101265 is about 643.2043600948.

The spelling of 266101265 in words is "two hundred sixty-six million, one hundred one thousand, two hundred sixty-five".