266828034916 has 9 divisors (see below), whose sum is σ = 466950869049. Its totient is φ = 133413500904.

The previous prime is 266828034911. The next prime is 266828034919. The reversal of 266828034916 is 619430828662.

The square root of 266828034916 is 516554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10897272100 + 255930762816 = 104390^2 + 505896^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266828034911) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 903970 + ... + 1162246.

Almost surely, 2^266828034916 is an apocalyptic number.

266828034916 is the 516554-th square number.

It is an amenable number.

266828034916 is a deficient number, since it is larger than the sum of its proper divisors (200122834133).

266828034916 is an frugal number, since it uses more digits than its factorization.

266828034916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516558 (or 258279 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 266828034916 in words is "two hundred sixty-six billion, eight hundred twenty-eight million, thirty-four thousand, nine hundred sixteen".