266729716 has 12 divisors (see below), whose sum is σ = 509211360. Its totient is φ = 121240760.

The previous prime is 266729681. The next prime is 266729753. The reversal of 266729716 is 617927662.

It is a super-2 number, since 2×266729716² = 142289482794881312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3030976 + ... + 3031063.

It is an arithmetic number, because the mean of its divisors is an integer number (42434280).

Almost surely, 2^266729716 is an apocalyptic number.

It is an amenable number.

266729716 is a deficient number, since it is larger than the sum of its proper divisors (242481644).

266729716 is a wasteful number, since it uses less digits than its factorization.

266729716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062054 (or 6062052 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 266729716 is about 16331.8619881506. The cubic root of 266729716 is about 643.7103136247.

The spelling of 266729716 in words is "two hundred sixty-six million, seven hundred twenty-nine thousand, seven hundred sixteen".