266424146 has 4 divisors (see below), whose sum is σ = 399636222. Its totient is φ = 133212072.

The previous prime is 266424127. The next prime is 266424167. The reversal of 266424146 is 641424662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 162282121 + 104142025 = 12739^2 + 10205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606035 + ... + 66606038.

Almost surely, 2^266424146 is an apocalyptic number.

266424146 is a deficient number, since it is larger than the sum of its proper divisors (133212076).

266424146 is a wasteful number, since it uses less digits than its factorization.

266424146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133212075.

The product of its digits is 55296, while the sum is 35.

The square root of 266424146 is about 16322.5042809000. The cubic root of 266424146 is about 643.4644046136.

The spelling of 266424146 in words is "two hundred sixty-six million, four hundred twenty-four thousand, one hundred forty-six".