8216475558 has 32 divisors (see below), whose sum is σ = 17361738240. Its totient is φ = 2585092320.

The previous prime is 8216475529. The next prime is 8216475583. The reversal of 8216475558 is 8555746128.

It is a super-3 number, since 3×8216475558³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 8216475558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102085 + ... + 163872.

It is an arithmetic number, because the mean of its divisors is an integer number (542554320).

Almost surely, 2^8216475558 is an apocalyptic number.

8216475558 is an abundant number, since it is smaller than the sum of its proper divisors (9145262682).

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

8216475558 is a wasteful number, since it uses less digits than its factorization.

8216475558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266252.

The product of its digits is 2688000, while the sum is 51.

The square root of 8216475558 is about 90644.7767827799. The cubic root of 8216475558 is about 2017.8793185276.

The spelling of 8216475558 in words is "eight billion, two hundred sixteen million, four hundred seventy-five thousand, five hundred fifty-eight".