266268214 has 4 divisors (see below), whose sum is σ = 399402324. Its totient is φ = 133134106.

The previous prime is 266268209. The next prime is 266268221. The reversal of 266268214 is 412862662.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412862662 = 2 ⋅206431331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66567052 + ... + 66567055.

It is an arithmetic number, because the mean of its divisors is an integer number (99850581).

Almost surely, 2^266268214 is an apocalyptic number.

266268214 is a deficient number, since it is larger than the sum of its proper divisors (133134110).

266268214 is a wasteful number, since it uses less digits than its factorization.

266268214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133134109.

The product of its digits is 55296, while the sum is 37.

The square root of 266268214 is about 16317.7269863177. The cubic root of 266268214 is about 643.3388450821.

It can be divided in two parts, 2662 and 68214, that added together give a triangular number (70876 = T₃₇₆).

The spelling of 266268214 in words is "two hundred sixty-six million, two hundred sixty-eight thousand, two hundred fourteen".