266204064 has 72 divisors (see below), whose sum is σ = 812887488. Its totient is φ = 76056960.

The previous prime is 266204053. The next prime is 266204077. The reversal of 266204064 is 460402662.

It is a super-3 number, since 3×266204064³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23592 + ... + 32999.

It is an arithmetic number, because the mean of its divisors is an integer number (11290104).

Almost surely, 2^266204064 is an apocalyptic number.

266204064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

266204064 is an abundant number, since it is smaller than the sum of its proper divisors (546683424).

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

266204064 is a wasteful number, since it uses less digits than its factorization.

266204064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56618 (or 56603 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 266204064 is about 16315.7612142370. The cubic root of 266204064 is about 643.2871760012.

The spelling of 266204064 in words is "two hundred sixty-six million, two hundred four thousand, sixty-four".