6478216107 has 16 divisors (see below), whose sum is σ = 9582572160. Its totient is φ = 3859644800.

The previous prime is 6478216099. The next prime is 6478216123. The reversal of 6478216107 is 7016128746.

It is not a de Polignac number, because 6478216107 - 2³ = 6478216099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6478216187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1661694 + ... + 1665587.

It is an arithmetic number, because the mean of its divisors is an integer number (598910760).

Almost surely, 2^6478216107 is an apocalyptic number.

6478216107 is a deficient number, since it is larger than the sum of its proper divisors (3104356053).

6478216107 is a wasteful number, since it uses less digits than its factorization.

6478216107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327354.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6478216107 is about 80487.3661328286. The cubic root of 6478216107 is about 1864.1684085402.

The spelling of 6478216107 in words is "six billion, four hundred seventy-eight million, two hundred sixteen thousand, one hundred seven".