8166322006550 has 24 divisors (see below), whose sum is σ = 15199027670952. Its totient is φ = 3264449504000.

The previous prime is 8166322006523. The next prime is 8166322006553. The reversal of 8166322006550 is 556002236618.

It is a super-2 number, since 2×8166322006550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8166322006553) 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, 51903131 + ... + 52060230.

It is an arithmetic number, because the mean of its divisors is an integer number (633292819623).

Almost surely, 2^{8166322006550} is an apocalyptic number.

8166322006550 is a deficient number, since it is larger than the sum of its proper divisors (7032705664402).

8166322006550 is a wasteful number, since it uses less digits than its factorization.

8166322006550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103964944 (or 103964939 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 8166322006550 in words is "eight trillion, one hundred sixty-six billion, three hundred twenty-two million, six thousand, five hundred fifty".