266681214 has 32 divisors (see below), whose sum is σ = 598391040. Its totient is φ = 88028856.

The previous prime is 266681209. The next prime is 266681257. The reversal of 266681214 is 412186662.

It is a super-2 number, since 2×266681214² = 142237739801027592, which contains 22 as substring.

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, 18412 + ... + 29535.

It is an arithmetic number, because the mean of its divisors is an integer number (18699720).

Almost surely, 2^266681214 is an apocalyptic number.

266681214 is an abundant number, since it is smaller than the sum of its proper divisors (331709826).

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

266681214 is a wasteful number, since it uses less digits than its factorization.

266681214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48061 (or 48055 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 266681214 is about 16330.3770317773. The cubic root of 266681214 is about 643.6712939375.

The spelling of 266681214 in words is "two hundred sixty-six million, six hundred eighty-one thousand, two hundred fourteen".