6468472816 has 40 divisors (see below), whose sum is σ = 13505298800. Its totient is φ = 2983550976.

The previous prime is 6468472753. The next prime is 6468472849. The reversal of 6468472816 is 6182748646.

It is a super-2 number, since 2×6468472816² = 83682281142661939712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349360 + ... + 367408.

It is an arithmetic number, because the mean of its divisors is an integer number (337632470).

Almost surely, 2^6468472816 is an apocalyptic number.

It is an amenable number.

6468472816 is an abundant number, since it is smaller than the sum of its proper divisors (7036825984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6468472816 is a wasteful number, since it uses less digits than its factorization.

6468472816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19793 (or 19787 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 6468472816 is about 80426.8165228489. The cubic root of 6468472816 is about 1863.2333646727.

The spelling of 6468472816 in words is "six billion, four hundred sixty-eight million, four hundred seventy-two thousand, eight hundred sixteen".