167631271427 has 8 divisors (see below), whose sum is σ = 176467551264. Its totient is φ = 158923988608.

The previous prime is 167631271399. The next prime is 167631271429. The reversal of 167631271427 is 724172136761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 167631271427 - 2¹⁰ = 167631270403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167631271429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32246588 + ... + 32251785.

It is an arithmetic number, because the mean of its divisors is an integer number (22058443908).

Almost surely, 2^167631271427 is an apocalyptic number.

167631271427 is a deficient number, since it is larger than the sum of its proper divisors (8836279837).

167631271427 is a wasteful number, since it uses less digits than its factorization.

167631271427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64498509.

The product of its digits is 592704, while the sum is 47.

The spelling of 167631271427 in words is "one hundred sixty-seven billion, six hundred thirty-one million, two hundred seventy-one thousand, four hundred twenty-seven".