816500124927 has 6 divisors (see below), whose sum is σ = 1179389069352. Its totient is φ = 544333416612.

The previous prime is 816500124883. The next prime is 816500124977. The reversal of 816500124927 is 729421005618.

816500124927 is a `hidden beast` number, since 8 + 16 + 500 + 124 + 9 + 2 + 7 = 666.

It is not a de Polignac number, because 816500124927 - 2⁶ = 816500124863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816500124977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45361118043 + ... + 45361118060.

It is an arithmetic number, because the mean of its divisors is an integer number (196564844892).

Almost surely, 2^816500124927 is an apocalyptic number.

816500124927 is a deficient number, since it is larger than the sum of its proper divisors (362888944425).

816500124927 is a wasteful number, since it uses less digits than its factorization.

816500124927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90722236109 (or 90722236106 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 816500124927 in words is "eight hundred sixteen billion, five hundred million, one hundred twenty-four thousand, nine hundred twenty-seven".