266368664 has 16 divisors (see below), whose sum is σ = 501954000. Its totient is φ = 132514272.

The previous prime is 266368637. The next prime is 266368673. The reversal of 266368664 is 466863662.

It is a super-2 number, since 2×266368664² = 141904530322289792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82067 + ... + 85250.

It is an arithmetic number, because the mean of its divisors is an integer number (31372125).

Almost surely, 2^266368664 is an apocalyptic number.

It is an amenable number.

266368664 is a deficient number, since it is larger than the sum of its proper divisors (235585336).

266368664 is a wasteful number, since it uses less digits than its factorization.

266368664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167522 (or 167518 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 47.

The square root of 266368664 is about 16320.8046370269. The cubic root of 266368664 is about 643.4197350255.

The spelling of 266368664 in words is "two hundred sixty-six million, three hundred sixty-eight thousand, six hundred sixty-four".