167128855 has 8 divisors (see below), whose sum is σ = 201832992. Its totient is φ = 132850848.

The previous prime is 167128847. The next prime is 167128859. The reversal of 167128855 is 558821761.

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 167128855 - 2³ = 167128847 is a prime.

It is a super-2 number, since 2×167128855² = 55864108347222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167128859) 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, 105667 + ... + 107236.

It is an arithmetic number, because the mean of its divisors is an integer number (25229124).

Almost surely, 2^167128855 is an apocalyptic number.

167128855 is a deficient number, since it is larger than the sum of its proper divisors (34704137).

167128855 is a wasteful number, since it uses less digits than its factorization.

167128855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213065.

The product of its digits is 134400, while the sum is 43.

The square root of 167128855 is about 12927.8325716262. The cubic root of 167128855 is about 550.8294427220.

The spelling of 167128855 in words is "one hundred sixty-seven million, one hundred twenty-eight thousand, eight hundred fifty-five".