265532066 has 16 divisors (see below), whose sum is σ = 402910200. Its totient is φ = 131234688.

The previous prime is 265532051. The next prime is 265532077. The reversal of 265532066 is 660235562.

It can be written as a sum of positive squares in 4 ways, for example, as 216825625 + 48706441 = 14725^2 + 6979^2 .

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, 109766 + ... + 112158.

Almost surely, 2^265532066 is an apocalyptic number.

265532066 is a deficient number, since it is larger than the sum of its proper divisors (137378134).

265532066 is a wasteful number, since it uses less digits than its factorization.

265532066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 265532066 is about 16295.1546786154. The cubic root of 265532066 is about 642.7454212388.

The spelling of 265532066 in words is "two hundred sixty-five million, five hundred thirty-two thousand, sixty-six".