4066398061 has 16 divisors (see below), whose sum is σ = 4598263296. Its totient is φ = 3562560000.

The previous prime is 4066398053. The next prime is 4066398097. The reversal of 4066398061 is 1608936604.

It is a cyclic number.

It is not a de Polignac number, because 4066398061 - 2³ = 4066398053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4066397999 and 4066398017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066398761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57441 + ... + 106921.

It is an arithmetic number, because the mean of its divisors is an integer number (287391456).

Almost surely, 2^4066398061 is an apocalyptic number.

It is an amenable number.

4066398061 is a deficient number, since it is larger than the sum of its proper divisors (531865235).

4066398061 is a wasteful number, since it uses less digits than its factorization.

4066398061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49764.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 4066398061 is about 63768.3154944523. The cubic root of 4066398061 is about 1596.1362580561.

The spelling of 4066398061 in words is "four billion, sixty-six million, three hundred ninety-eight thousand, sixty-one".