6416631223 has 2 divisors, whose sum is σ = 6416631224. Its totient is φ = 6416631222.

The previous prime is 6416631217. The next prime is 6416631271. The reversal of 6416631223 is 3221366146.

6416631223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6416631223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6416631523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208315611 + 3208315612.

It is an arithmetic number, because the mean of its divisors is an integer number (3208315612).

Almost surely, 2^6416631223 is an apocalyptic number.

6416631223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416631223 is an equidigital number, since it uses as much as digits as its factorization.

6416631223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 6416631223 is about 80103.8777026431. The cubic root of 6416631223 is about 1858.2423777791.

Adding to 6416631223 its reverse (3221366146), we get a palindrome (9637997369).

The spelling of 6416631223 in words is "six billion, four hundred sixteen million, six hundred thirty-one thousand, two hundred twenty-three".