266291016 has 16 divisors (see below), whose sum is σ = 665727600. Its totient is φ = 88763664.

The previous prime is 266290993. The next prime is 266291017. The reversal of 266291016 is 610192662.

It is not an unprimeable number, because it can be changed into a prime (266291017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5547706 + ... + 5547753.

It is an arithmetic number, because the mean of its divisors is an integer number (41607975).

Almost surely, 2^266291016 is an apocalyptic number.

It is an amenable number.

266291016 is an abundant number, since it is smaller than the sum of its proper divisors (399436584).

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

266291016 is a wasteful number, since it uses less digits than its factorization.

266291016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11095468 (or 11095464 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 266291016 is about 16318.4256593582. The cubic root of 266291016 is about 643.3572087631.

The spelling of 266291016 in words is "two hundred sixty-six million, two hundred ninety-one thousand, sixteen".