1066064345 has 4 divisors (see below), whose sum is σ = 1279277220. Its totient is φ = 852851472.

The previous prime is 1066064327. The next prime is 1066064357. The reversal of 1066064345 is 5434606601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5434606601 = 599 ⋅9072799.

It can be written as a sum of positive squares in 2 ways, for example, as 585446416 + 480617929 = 24196^2 + 21923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066064345 - 2⁶ = 1066064281 is a prime.

It is a super-2 number, since 2×1066064345² = 2272986375360558050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106606430 + ... + 106606439.

It is an arithmetic number, because the mean of its divisors is an integer number (319819305).

Almost surely, 2^1066064345 is an apocalyptic number.

It is an amenable number.

1066064345 is a deficient number, since it is larger than the sum of its proper divisors (213212875).

1066064345 is an equidigital number, since it uses as much as digits as its factorization.

1066064345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213212874.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1066064345 is about 32650.6408053502. The cubic root of 1066064345 is about 1021.5535549914.

The spelling of 1066064345 in words is "one billion, sixty-six million, sixty-four thousand, three hundred forty-five".