266530522 has 16 divisors (see below), whose sum is σ = 423869760. Its totient is φ = 125261248.

The previous prime is 266530487. The next prime is 266530531. The reversal of 266530522 is 225035662.

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 7 ways as a sum of consecutive naturals, for example, 23379 + ... + 32857.

It is an arithmetic number, because the mean of its divisors is an integer number (26491860).

Almost surely, 2^266530522 is an apocalyptic number.

266530522 is a deficient number, since it is larger than the sum of its proper divisors (157339238).

266530522 is a wasteful number, since it uses less digits than its factorization.

266530522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 266530522 is about 16325.7625243050. The cubic root of 266530522 is about 643.5500325651.

The spelling of 266530522 in words is "two hundred sixty-six million, five hundred thirty thousand, five hundred twenty-two".