266774680 has 16 divisors (see below), whose sum is σ = 600243120. Its totient is φ = 106709856.

The previous prime is 266774639. The next prime is 266774701. The reversal of 266774680 is 86477662.

It is a self number, because there is not a number n which added to its sum of digits gives 266774680.

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, 3334644 + ... + 3334723.

It is an arithmetic number, because the mean of its divisors is an integer number (37515195).

Almost surely, 2^266774680 is an apocalyptic number.

266774680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266774680 is an abundant number, since it is smaller than the sum of its proper divisors (333468440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266774680 is a wasteful number, since it uses less digits than its factorization.

266774680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6669378 (or 6669374 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 266774680 is about 16333.2385031261. The cubic root of 266774680 is about 643.7464827784.

The spelling of 266774680 in words is "two hundred sixty-six million, seven hundred seventy-four thousand, six hundred eighty".