6416625860 has 24 divisors (see below), whose sum is σ = 14267557080. Its totient is φ = 2415670784.

The previous prime is 6416625821. The next prime is 6416625883. The reversal of 6416625860 is 685266146.

It can be written as a sum of positive squares in 4 ways, for example, as 650046016 + 5766579844 = 25496^2 + 75938^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9435875 + ... + 9436554.

It is an arithmetic number, because the mean of its divisors is an integer number (594481545).

Almost surely, 2^6416625860 is an apocalyptic number.

It is an amenable number.

6416625860 is an abundant number, since it is smaller than the sum of its proper divisors (7850931220).

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

6416625860 is a wasteful number, since it uses less digits than its factorization.

6416625860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18872455 (or 18872453 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 6416625860 is about 80103.8442273528. The cubic root of 6416625860 is about 1858.2418600746.

The spelling of 6416625860 in words is "six billion, four hundred sixteen million, six hundred twenty-five thousand, eight hundred sixty".