4206631664 has 20 divisors (see below), whose sum is σ = 8151405360. Its totient is φ = 2103043200.

The previous prime is 4206631651. The next prime is 4206631669. The reversal of 4206631664 is 4661366024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206631669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177677 + ... + 199955.

It is an arithmetic number, because the mean of its divisors is an integer number (407570268).

Almost surely, 2^4206631664 is an apocalyptic number.

It is an amenable number.

4206631664 is a deficient number, since it is larger than the sum of its proper divisors (3944773696).

4206631664 is a wasteful number, since it uses less digits than its factorization.

4206631664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34088 (or 34082 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 4206631664 is about 64858.5512018269. The cubic root of 4206631664 is about 1614.2773833342.

Adding to 4206631664 its reverse (4661366024), we get a palindrome (8867997688).

The spelling of 4206631664 in words is "four billion, two hundred six million, six hundred thirty-one thousand, six hundred sixty-four".