266190 has 32 divisors (see below), whose sum is σ = 673920. Its totient is φ = 67104.

The previous prime is 266183. The next prime is 266221. The reversal of 266190 is 91662.

It is a super-2 number, since 2×266190² = 141714232200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266190.

It is a congruent number.

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, 337 + ... + 803.

It is an arithmetic number, because the mean of its divisors is an integer number (21060).

2²⁶⁶¹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336960).

266190 is an abundant number, since it is smaller than the sum of its proper divisors (407730).

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

266190 is a wasteful number, since it uses less digits than its factorization.

266190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 266190 is about 515.9360425479. The cubic root of 266190 is about 64.3275847161.

It can be divided in two parts, 26 and 6190, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 266190 in words is "two hundred sixty-six thousand, one hundred ninety".