266566253061002 has 32 divisors (see below), whose sum is σ = 401624203506240. Its totient is φ = 132692925720960.

The previous prime is 266566253060999. The next prime is 266566253061089. The reversal of 266566253061002 is 200160352665662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034993353 + ... + 2035124339.

It is an arithmetic number, because the mean of its divisors is an integer number (12550756359570).

Almost surely, 2^{266566253061002} is an apocalyptic number.

266566253061002 is a deficient number, since it is larger than the sum of its proper divisors (135057950445238).

266566253061002 is a wasteful number, since it uses less digits than its factorization.

266566253061002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136326.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 266566253061002 in words is "two hundred sixty-six trillion, five hundred sixty-six billion, two hundred fifty-three million, sixty-one thousand, two".