1066465611 has 24 divisors (see below), whose sum is σ = 1628856320. Its totient is φ = 670512816.

The previous prime is 1066465601. The next prime is 1066465613. The reversal of 1066465611 is 1165646601.

It is a happy number.

1066465611 is a `hidden beast` number, since 1 + 0 + 6 + 646 + 5 + 6 + 1 + 1 = 666.

It is not a de Polignac number, because 1066465611 - 2¹⁷ = 1066334539 is a prime.

It is a super-2 number, since 2×1066465611² = 2274697798891206642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066465613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24150 + ... + 52116.

Almost surely, 2^1066465611 is an apocalyptic number.

1066465611 is a deficient number, since it is larger than the sum of its proper divisors (562390709).

1066465611 is a wasteful number, since it uses less digits than its factorization.

1066465611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28215 (or 28212 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1066465611 is about 32656.7850683438. The cubic root of 1066465611 is about 1021.6817096351.

The spelling of 1066465611 in words is "one billion, sixty-six million, four hundred sixty-five thousand, six hundred eleven".