266016214644 has 12 divisors (see below), whose sum is σ = 620704500864. Its totient is φ = 88672071544.

The previous prime is 266016214643. The next prime is 266016214669. The reversal of 266016214644 is 446412610662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 266016214596 and 266016214605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266016214643) 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, 11084008932 + ... + 11084008955.

It is an arithmetic number, because the mean of its divisors is an integer number (51725375072).

Almost surely, 2^266016214644 is an apocalyptic number.

It is an amenable number.

266016214644 is an abundant number, since it is smaller than the sum of its proper divisors (354688286220).

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

266016214644 is a wasteful number, since it uses less digits than its factorization.

266016214644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22168017894 (or 22168017892 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 266016214644 in words is "two hundred sixty-six billion, sixteen million, two hundred fourteen thousand, six hundred forty-four".