8456417216 has 28 divisors (see below), whose sum is σ = 18071527992. Its totient is φ = 3902961408.

The previous prime is 8456417209. The next prime is 8456417227. The reversal of 8456417216 is 6127146548.

It is a super-2 number, since 2×8456417216² (a number of 21 digits) contains 22 as substring.

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, 5081150 + ... + 5082813.

It is an arithmetic number, because the mean of its divisors is an integer number (645411714).

Almost surely, 2^8456417216 is an apocalyptic number.

It is an amenable number.

8456417216 is an abundant number, since it is smaller than the sum of its proper divisors (9615110776).

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

8456417216 is a wasteful number, since it uses less digits than its factorization.

8456417216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10163988 (or 10163978 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 8456417216 is about 91958.7799832077. The cubic root of 8456417216 is about 2037.3335353030. Note that the first 3 decimals are identical.

The spelling of 8456417216 in words is "eight billion, four hundred fifty-six million, four hundred seventeen thousand, two hundred sixteen".