4066670067 has 4 divisors (see below), whose sum is σ = 5422226760. Its totient is φ = 2711113376.

The previous prime is 4066670021. The next prime is 4066670071. The reversal of 4066670067 is 7600766604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4066670067 - 2¹⁵ = 4066637299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4066674067) by changing a digit.

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, 677778342 + ... + 677778347.

It is an arithmetic number, because the mean of its divisors is an integer number (1355556690).

Almost surely, 2^4066670067 is an apocalyptic number.

4066670067 is a deficient number, since it is larger than the sum of its proper divisors (1355556693).

4066670067 is a wasteful number, since it uses less digits than its factorization.

4066670067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355556692.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 4066670067 is about 63770.4482264317. The cubic root of 4066670067 is about 1596.1718463870.

The spelling of 4066670067 in words is "four billion, sixty-six million, six hundred seventy thousand, sixty-seven".