266534542 has 8 divisors (see below), whose sum is σ = 403683696. Its totient is φ = 131973312.

The previous prime is 266534537. The next prime is 266534561. The reversal of 266534542 is 245435662.

266534542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 646723 + ... + 647134.

It is an arithmetic number, because the mean of its divisors is an integer number (50460462).

Almost surely, 2^266534542 is an apocalyptic number.

266534542 is a deficient number, since it is larger than the sum of its proper divisors (137149154).

266534542 is a wasteful number, since it uses less digits than its factorization.

266534542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293962.

The product of its digits is 172800, while the sum is 37.

The square root of 266534542 is about 16325.8856421329. The cubic root of 266534542 is about 643.5532680396.

The spelling of 266534542 in words is "two hundred sixty-six million, five hundred thirty-four thousand, five hundred forty-two".