266914992 has 20 divisors (see below), whose sum is σ = 689530520. Its totient is φ = 88971648.

The previous prime is 266914987. The next prime is 266915017. The reversal of 266914992 is 299419662.

It is a super-2 number, since 2×266914992² = 142487225908720128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 5560729 = 266914992 / (2 + 6 + 6 + 9 + 1 + 4 + 9 + 9 + 2).

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, 2780317 + ... + 2780412.

It is an arithmetic number, because the mean of its divisors is an integer number (34476526).

Almost surely, 2^266914992 is an apocalyptic number.

It is an amenable number.

266914992 is an abundant number, since it is smaller than the sum of its proper divisors (422615528).

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

266914992 is a wasteful number, since it uses less digits than its factorization.

266914992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560740 (or 5560734 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 266914992 is about 16337.5332287344. The cubic root of 266914992 is about 643.8593239788.

The spelling of 266914992 in words is "two hundred sixty-six million, nine hundred fourteen thousand, nine hundred ninety-two".