167998055 has 8 divisors (see below), whose sum is σ = 202243632. Its totient is φ = 133967808.

The previous prime is 167998043. The next prime is 167998067. The reversal of 167998055 is 550899761.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (167998043) and next prime (167998067).

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 167998055 - 2⁸ = 167997799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 167997994 and 167998012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52109 + ... + 55238.

It is an arithmetic number, because the mean of its divisors is an integer number (25280454).

Almost surely, 2^167998055 is an apocalyptic number.

167998055 is a deficient number, since it is larger than the sum of its proper divisors (34245577).

167998055 is a wasteful number, since it uses less digits than its factorization.

167998055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107665.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 167998055 is about 12961.4063665946. The cubic root of 167998055 is about 551.7827058603.

The spelling of 167998055 in words is "one hundred sixty-seven million, nine hundred ninety-eight thousand, fifty-five".