6425328516 has 12 divisors (see below), whose sum is σ = 14992433232. Its totient is φ = 2141776168.

The previous prime is 6425328473. The next prime is 6425328577. The reversal of 6425328516 is 6158235246.

It is a tau number, because it is divible by the number of its divisors (12).

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, 267722010 + ... + 267722033.

It is an arithmetic number, because the mean of its divisors is an integer number (1249369436).

Almost surely, 2^6425328516 is an apocalyptic number.

It is an amenable number.

6425328516 is an abundant number, since it is smaller than the sum of its proper divisors (8567104716).

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

6425328516 is a wasteful number, since it uses less digits than its factorization.

6425328516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535444050 (or 535444048 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The square root of 6425328516 is about 80158.1469097184. The cubic root of 6425328516 is about 1859.0815710852.

The spelling of 6425328516 in words is "six billion, four hundred twenty-five million, three hundred twenty-eight thousand, five hundred sixteen".