1065665466 has 24 divisors (see below), whose sum is σ = 2316330900. Its totient is φ = 354085056.

The previous prime is 1065665449. The next prime is 1065665467. The reversal of 1065665466 is 6645665601.

It can be written as a sum of positive squares in 2 ways, for example, as 910289241 + 155376225 = 30171^2 + 12465^2 .

It is a super-2 number, since 2×1065665466² = 2271285770849994312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1065665467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88941 + ... + 100208.

Almost surely, 2^1065665466 is an apocalyptic number.

1065665466 is an abundant number, since it is smaller than the sum of its proper divisors (1250665434).

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

1065665466 is a wasteful number, since it uses less digits than its factorization.

1065665466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189470 (or 189467 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 1065665466 is about 32644.5319464072. The cubic root of 1065665466 is about 1021.4261308218.

The spelling of 1065665466 in words is "one billion, sixty-five million, six hundred sixty-five thousand, four hundred sixty-six".