266004365300201 has 4 divisors (see below), whose sum is σ = 290186580327504. Its totient is φ = 241822150272900.

The previous prime is 266004365300197. The next prime is 266004365300209. The reversal of 266004365300201 is 102003563400662.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266004365300201 - 2² = 266004365300197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266004365300209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12091107513635 + ... + 12091107513656.

It is an arithmetic number, because the mean of its divisors is an integer number (72546645081876).

Almost surely, 2^{266004365300201} is an apocalyptic number.

It is an amenable number.

266004365300201 is a deficient number, since it is larger than the sum of its proper divisors (24182215027303).

266004365300201 is a wasteful number, since it uses less digits than its factorization.

266004365300201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24182215027302.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 266004365300201 in words is "two hundred sixty-six trillion, four billion, three hundred sixty-five million, three hundred thousand, two hundred one".