266101 has 8 divisors (see below), whose sum is σ = 307584. Its totient is φ = 227520.

The previous prime is 266099. The next prime is 266111. The reversal of 266101 is 101662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266101 - 2¹ = 266099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525 + ... + 898.

It is an arithmetic number, because the mean of its divisors is an integer number (38448).

2²⁶⁶¹⁰¹ is an apocalyptic number.

It is an amenable number.

266101 is a deficient number, since it is larger than the sum of its proper divisors (41483).

266101 is a wasteful number, since it uses less digits than its factorization.

266101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 266101 is about 515.8497843365. The cubic root of 266101 is about 64.3204146581.

Subtracting from 266101 its sum of digits (16), we obtain a triangular number (266085 = T₇₂₉).

Adding to 266101 its reverse (101662), we get a palindrome (367763).

The spelling of 266101 in words is "two hundred sixty-six thousand, one hundred one".