167172617425 has 12 divisors (see below), whose sum is σ = 226138959216. Its totient is φ = 121580085200.

The previous prime is 167172617411. The next prime is 167172617461. The reversal of 167172617425 is 524716271761.

167172617425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 167172617425 - 2⁵ = 167172617393 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 303949939 + ... + 303950488.

It is an arithmetic number, because the mean of its divisors is an integer number (18844913268).

Almost surely, 2^167172617425 is an apocalyptic number.

It is an amenable number.

167172617425 is a deficient number, since it is larger than the sum of its proper divisors (58966341791).

167172617425 is a wasteful number, since it uses less digits than its factorization.

167172617425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607900448 (or 607900443 counting only the distinct ones).

The product of its digits is 987840, while the sum is 49.

The spelling of 167172617425 in words is "one hundred sixty-seven billion, one hundred seventy-two million, six hundred seventeen thousand, four hundred twenty-five".