8211069216 has 72 divisors (see below), whose sum is σ = 26685981504. Its totient is φ = 2346019200.

The previous prime is 8211069199. The next prime is 8211069227. The reversal of 8211069216 is 6129601128.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2034460 + ... + 2038491.

It is an arithmetic number, because the mean of its divisors is an integer number (370638632).

Almost surely, 2^8211069216 is an apocalyptic number.

It is an amenable number.

8211069216 is an abundant number, since it is smaller than the sum of its proper divisors (18474912288).

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

8211069216 is a wasteful number, since it uses less digits than its factorization.

8211069216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4072974 (or 4072963 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 8211069216 is about 90614.9502896735. The cubic root of 8211069216 is about 2017.4366413218.

The spelling of 8211069216 in words is "eight billion, two hundred eleven million, sixty-nine thousand, two hundred sixteen".