266674561462201 has 4 divisors (see below), whose sum is σ = 266674667836132. Its totient is φ = 266674455088272.

The previous prime is 266674561462189. The next prime is 266674561462241. The reversal of 266674561462201 is 102264165476662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12295156538025 + 254379404924176 = 3506445^2 + 15949276^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266674561462201 is a prime.

It is a super-2 number, since 2×266674561462201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266674561462241) 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, 49333470 + ... + 54471463.

It is an arithmetic number, because the mean of its divisors is an integer number (66668666959033).

Almost surely, 2^{266674561462201} is an apocalyptic number.

It is an amenable number.

266674561462201 is a deficient number, since it is larger than the sum of its proper divisors (106373931).

266674561462201 is a wasteful number, since it uses less digits than its factorization.

266674561462201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106373930.

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 266674561462201 in words is "two hundred sixty-six trillion, six hundred seventy-four billion, five hundred sixty-one million, four hundred sixty-two thousand, two hundred one".