4006666147 has 16 divisors (see below), whose sum is σ = 4434854400. Its totient is φ = 3589316640.

The previous prime is 4006666121. The next prime is 4006666177. The reversal of 4006666147 is 7416666004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4006666147 - 2²³ = 3998277539 is a prime.

It is a super-2 number, since 2×4006666147² = 32106747227031651218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4006666177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471129 + ... + 479557.

It is an arithmetic number, because the mean of its divisors is an integer number (277178400).

Almost surely, 2^4006666147 is an apocalyptic number.

4006666147 is a deficient number, since it is larger than the sum of its proper divisors (428188253).

4006666147 is a wasteful number, since it uses less digits than its factorization.

4006666147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9066.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 4006666147 is about 63298.2317841502. The cubic root of 4006666147 is about 1588.2823832891.

The spelling of 4006666147 in words is "four billion, six million, six hundred sixty-six thousand, one hundred forty-seven".