8216341911 has 12 divisors (see below), whose sum is σ = 12384051888. Its totient is φ = 5239406304.

The previous prime is 8216341909. The next prime is 8216341921. The reversal of 8216341911 is 1191436128.

8216341911 is a `hidden beast` number, since 8 + 2 + 1 + 634 + 1 + 9 + 11 = 666.

It is not a de Polignac number, because 8216341911 - 2¹ = 8216341909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216341921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19846030 + ... + 19846443.

It is an arithmetic number, because the mean of its divisors is an integer number (1032004324).

Almost surely, 2^8216341911 is an apocalyptic number.

8216341911 is a deficient number, since it is larger than the sum of its proper divisors (4167709977).

8216341911 is a wasteful number, since it uses less digits than its factorization.

8216341911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39692502 (or 39692499 counting only the distinct ones).

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

The square root of 8216341911 is about 90644.0395779005. The cubic root of 8216341911 is about 2017.8683777060.

The spelling of 8216341911 in words is "eight billion, two hundred sixteen million, three hundred forty-one thousand, nine hundred eleven".