4066636065 has 32 divisors (see below), whose sum is σ = 6725462400. Its totient is φ = 2097131520.

The previous prime is 4066636031. The next prime is 4066636069. The reversal of 4066636065 is 5606366604.

It is a happy number.

4066636065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4066636065 - 2⁶ = 4066636001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4066636069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16321 + ... + 91649.

It is an arithmetic number, because the mean of its divisors is an integer number (210170700).

Almost surely, 2^4066636065 is an apocalyptic number.

It is an amenable number.

4066636065 is a deficient number, since it is larger than the sum of its proper divisors (2658826335).

4066636065 is a wasteful number, since it uses less digits than its factorization.

4066636065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75457.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 4066636065 is about 63770.1816290341. The cubic root of 4066636065 is about 1596.1673977689.

The spelling of 4066636065 in words is "four billion, sixty-six million, six hundred thirty-six thousand, sixty-five".