266331412 has 6 divisors (see below), whose sum is σ = 466079978. Its totient is φ = 133165704.

The previous prime is 266331409. The next prime is 266331419. The reversal of 266331412 is 214133662.

It can be written as a sum of positive squares in only one way, i.e., 254593936 + 11737476 = 15956^2 + 3426^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266331419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33291423 + ... + 33291430.

Almost surely, 2^266331412 is an apocalyptic number.

It is an amenable number.

266331412 is a deficient number, since it is larger than the sum of its proper divisors (199748566).

266331412 is a wasteful number, since it uses less digits than its factorization.

266331412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66582857 (or 66582855 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 266331412 is about 16319.6633543710. The cubic root of 266331412 is about 643.3897392682.

The spelling of 266331412 in words is "two hundred sixty-six million, three hundred thirty-one thousand, four hundred twelve".