266109064 has 32 divisors (see below), whose sum is σ = 538072920. Its totient is φ = 122651136.

The previous prime is 266109061. The next prime is 266109071. The reversal of 266109064 is 460901662.

It can be written as a sum of positive squares in 4 ways, for example, as 244672164 + 21436900 = 15642^2 + 4630^2 .

It is not an unprimeable number, because it can be changed into a prime (266109061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106194 + ... + 108670.

Almost surely, 2^266109064 is an apocalyptic number.

It is an amenable number.

266109064 is an abundant number, since it is smaller than the sum of its proper divisors (271963856).

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

266109064 is a wasteful number, since it uses less digits than its factorization.

266109064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3529 (or 3525 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 266109064 is about 16312.8496590878. The cubic root of 266109064 is about 643.2106437951.

The spelling of 266109064 in words is "two hundred sixty-six million, one hundred nine thousand, sixty-four".