6478216148 has 12 divisors (see below), whose sum is σ = 11355808800. Its totient is φ = 3233699352.

The previous prime is 6478216139. The next prime is 6478216153. The reversal of 6478216148 is 8416128746.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1349486 + ... + 1354277.

It is an arithmetic number, because the mean of its divisors is an integer number (946317400).

Almost surely, 2^6478216148 is an apocalyptic number.

It is an amenable number.

6478216148 is a deficient number, since it is larger than the sum of its proper divisors (4877592652).

6478216148 is a wasteful number, since it uses less digits than its factorization.

6478216148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704366 (or 2704364 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 6478216148 is about 80487.3663875269. The cubic root of 6478216148 is about 1864.1684124729.

The spelling of 6478216148 in words is "six billion, four hundred seventy-eight million, two hundred sixteen thousand, one hundred forty-eight".