6400163311 has 8 divisors (see below), whose sum is σ = 6610984448. Its totient is φ = 6189615000.

The previous prime is 6400163299. The next prime is 6400163321. The reversal of 6400163311 is 1133610046.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6400163311 - 2⁷ = 6400163183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6400163321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19965 + ... + 114886.

It is an arithmetic number, because the mean of its divisors is an integer number (826373056).

Almost surely, 2^6400163311 is an apocalyptic number.

6400163311 is a deficient number, since it is larger than the sum of its proper divisors (210821137).

6400163311 is a wasteful number, since it uses less digits than its factorization.

6400163311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136413.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6400163311 is about 80001.0206872387. The cubic root of 6400163311 is about 1856.6513254465.

Adding to 6400163311 its reverse (1133610046), we get a palindrome (7533773357).

The spelling of 6400163311 in words is "six billion, four hundred million, one hundred sixty-three thousand, three hundred eleven".