266679412 has 12 divisors (see below), whose sum is σ = 467008416. Its totient is φ = 133248440.

The previous prime is 266679401. The next prime is 266679467. The reversal of 266679412 is 214976662.

It is a happy number.

It is a super-2 number, since 2×266679412² = 142235817569331488, 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 3 ways as a sum of consecutive naturals, for example, 16018 + ... + 28105.

It is an arithmetic number, because the mean of its divisors is an integer number (38917368).

Almost surely, 2^266679412 is an apocalyptic number.

It is an amenable number.

266679412 is a deficient number, since it is larger than the sum of its proper divisors (200329004).

266679412 is a wasteful number, since it uses less digits than its factorization.

266679412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45638 (or 45636 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 266679412 is about 16330.3218584326. The cubic root of 266679412 is about 643.6698441437.

The spelling of 266679412 in words is "two hundred sixty-six million, six hundred seventy-nine thousand, four hundred twelve".