266016 has 48 divisors (see below), whose sum is σ = 743904. Its totient is φ = 82944.

The previous prime is 266009. The next prime is 266023. The reversal of 266016 is 610662.

It is an interprime number because it is at equal distance from previous prime (266009) and next prime (266023).

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 265983 and 266001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (15498).

2²⁶⁶⁰¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371952).

266016 is an abundant number, since it is smaller than the sum of its proper divisors (477888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266016 is a wasteful number, since it uses less digits than its factorization.

266016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 266016 is about 515.7673894305. The cubic root of 266016 is about 64.3135653571.

Adding to 266016 its reverse (610662), we get a palindrome (876678).

The spelling of 266016 in words is "two hundred sixty-six thousand, sixteen".