266555661450234 has 64 divisors (see below), whose sum is σ = 605524026038400. Its totient is φ = 77547782391552.

The previous prime is 266555661450217. The next prime is 266555661450259. The reversal of 266555661450234 is 432054166555662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175927509 + ... + 177436184.

It is an arithmetic number, because the mean of its divisors is an integer number (9461312906850).

Almost surely, 2^{266555661450234} is an apocalyptic number.

266555661450234 is an abundant number, since it is smaller than the sum of its proper divisors (338968364588166).

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

266555661450234 is a wasteful number, since it uses less digits than its factorization.

266555661450234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353364239.

The product of its (nonzero) digits is 155520000, while the sum is 60.

The spelling of 266555661450234 in words is "two hundred sixty-six trillion, five hundred fifty-five billion, six hundred sixty-one million, four hundred fifty thousand, two hundred thirty-four".