1066706395 has 8 divisors (see below), whose sum is σ = 1355344704. Its totient is φ = 803167104.

The previous prime is 1066706359. The next prime is 1066706413. The reversal of 1066706395 is 5936076601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1066706395 - 2¹⁵ = 1066673627 is a prime.

It is a super-2 number, since 2×1066706395² = 2275725066267792050, which contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 6274659 + ... + 6274828.

It is an arithmetic number, because the mean of its divisors is an integer number (169418088).

Almost surely, 2^1066706395 is an apocalyptic number.

1066706395 is a deficient number, since it is larger than the sum of its proper divisors (288638309).

1066706395 is a wasteful number, since it uses less digits than its factorization.

1066706395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549509.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1066706395 is about 32660.4714448521. The cubic root of 1066706395 is about 1021.7585947825.

The spelling of 1066706395 in words is "one billion, sixty-six million, seven hundred six thousand, three hundred ninety-five".