266064534 has 16 divisors (see below), whose sum is σ = 591254640. Its totient is φ = 88688160.

The previous prime is 266064527. The next prime is 266064541. The reversal of 266064534 is 435460662.

266064534 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 645 + 3 + 4 = 666.

266064534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266064527) and next prime (266064541).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463507 + ... + 2463614.

It is an arithmetic number, because the mean of its divisors is an integer number (36953415).

Almost surely, 2^266064534 is an apocalyptic number.

266064534 is an abundant number, since it is smaller than the sum of its proper divisors (325190106).

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

266064534 is a wasteful number, since it uses less digits than its factorization.

266064534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927132 (or 4927126 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 266064534 is about 16311.4847270259. The cubic root of 266064534 is about 643.1747640606.

The spelling of 266064534 in words is "two hundred sixty-six million, sixty-four thousand, five hundred thirty-four".