266004161235005 has 32 divisors (see below), whose sum is σ = 329647760027520. Its totient is φ = 205933245315840.

The previous prime is 266004161234951. The next prime is 266004161235013. The reversal of 266004161235005 is 500532161400662.

It is a happy number.

It is not a de Polignac number, because 266004161235005 - 2⁶ = 266004161234941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344835719 + ... + 345606251.

It is an arithmetic number, because the mean of its divisors is an integer number (10301492500860).

Almost surely, 2^{266004161235005} is an apocalyptic number.

It is an amenable number.

266004161235005 is a deficient number, since it is larger than the sum of its proper divisors (63643598792515).

266004161235005 is a wasteful number, since it uses less digits than its factorization.

266004161235005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785421.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 266004161235005 in words is "two hundred sixty-six trillion, four billion, one hundred sixty-one million, two hundred thirty-five thousand, five".