816675152228 has 12 divisors (see below), whose sum is σ = 1539118556220. Its totient is φ = 376926993312.

The previous prime is 816675152213. The next prime is 816675152233. The reversal of 816675152228 is 822251576618.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 559536912484 + 257138239744 = 748022^2 + 507088^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 816675152228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7852645643 + ... + 7852645746.

It is an arithmetic number, because the mean of its divisors is an integer number (128259879685).

Almost surely, 2^816675152228 is an apocalyptic number.

It is an amenable number.

816675152228 is a deficient number, since it is larger than the sum of its proper divisors (722443403992).

816675152228 is a wasteful number, since it uses less digits than its factorization.

816675152228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15705291406 (or 15705291404 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The spelling of 816675152228 in words is "eight hundred sixteen billion, six hundred seventy-five million, one hundred fifty-two thousand, two hundred twenty-eight".