8166325822425 has 72 divisors (see below), whose sum is σ = 14888294722080. Its totient is φ = 4277643283200.

The previous prime is 8166325822393. The next prime is 8166325822483. The reversal of 8166325822425 is 5242285236618.

8166325822425 is a `hidden beast` number, since 8 + 1 + 6 + 6 + 32 + 582 + 2 + 4 + 25 = 666.

It is not a de Polignac number, because 8166325822425 - 2⁵ = 8166325822393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14282290 + ... + 14843060.

It is an arithmetic number, because the mean of its divisors is an integer number (206781871140).

Almost surely, 2^{8166325822425} is an apocalyptic number.

It is an amenable number.

8166325822425 is a deficient number, since it is larger than the sum of its proper divisors (6721968899655).

8166325822425 is a wasteful number, since it uses less digits than its factorization.

8166325822425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561943 (or 561935 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 8166325822425 in words is "eight trillion, one hundred sixty-six billion, three hundred twenty-five million, eight hundred twenty-two thousand, four hundred twenty-five".