8216608624191 has 32 divisors (see below), whose sum is σ = 13281983447040. Its totient is φ = 4978781812800.

The previous prime is 8216608624181. The next prime is 8216608624223. The reversal of 8216608624191 is 1914268066128.

8216608624191 is a `hidden beast` number, since 8 + 2 + 1 + 6 + 6 + 0 + 8 + 624 + 1 + 9 + 1 = 666.

It is not a de Polignac number, because 8216608624191 - 2¹¹ = 8216608622143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216608624121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1213375 + ... + 4231488.

It is an arithmetic number, because the mean of its divisors is an integer number (415061982720).

Almost surely, 2^{8216608624191} is an apocalyptic number.

8216608624191 is a deficient number, since it is larger than the sum of its proper divisors (5065374822849).

8216608624191 is a wasteful number, since it uses less digits than its factorization.

8216608624191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449964 (or 5449958 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 8216608624191 in words is "eight trillion, two hundred sixteen billion, six hundred eight million, six hundred twenty-four thousand, one hundred ninety-one".