1066465617 has 16 divisors (see below), whose sum is σ = 1631572992. Its totient is φ = 606978000.

The previous prime is 1066465613. The next prime is 1066465643. The reversal of 1066465617 is 7165646601.

It is a happy number.

It is not a de Polignac number, because 1066465617 - 2² = 1066465613 is a prime.

It is a super-2 number, since 2×1066465617² = 2274697824486381378, 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95893 + ... + 106434.

It is an arithmetic number, because the mean of its divisors is an integer number (101973312).

Almost surely, 2^1066465617 is an apocalyptic number.

It is an amenable number.

1066465617 is a deficient number, since it is larger than the sum of its proper divisors (565107375).

1066465617 is a wasteful number, since it uses less digits than its factorization.

1066465617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202588.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 1066465617 is about 32656.7851602083. The cubic root of 1066465617 is about 1021.6817115511.

The spelling of 1066465617 in words is "one billion, sixty-six million, four hundred sixty-five thousand, six hundred seventeen".