6416625871 has 8 divisors (see below), whose sum is σ = 6463084320. Its totient is φ = 6370335072.

The previous prime is 6416625821. The next prime is 6416625883. The reversal of 6416625871 is 1785266146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6416625871 - 2¹¹ = 6416623823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6416625821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35425 + ... + 118693.

It is an arithmetic number, because the mean of its divisors is an integer number (807885540).

Almost surely, 2^6416625871 is an apocalyptic number.

6416625871 is a deficient number, since it is larger than the sum of its proper divisors (46458449).

6416625871 is a wasteful number, since it uses less digits than its factorization.

6416625871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83825.

The product of its digits is 483840, while the sum is 46.

The square root of 6416625871 is about 80103.8442960137. The cubic root of 6416625871 is about 1858.2418611364.

The spelling of 6416625871 in words is "six billion, four hundred sixteen million, six hundred twenty-five thousand, eight hundred seventy-one".