167172055 has 4 divisors (see below), whose sum is σ = 200606472. Its totient is φ = 133737640.

The previous prime is 167172053. The next prime is 167172121. The reversal of 167172055 is 550271761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550271761 = 13 ⋅42328597.

It is not a de Polignac number, because 167172055 - 2¹ = 167172053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167172055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167172053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16717201 + ... + 16717210.

It is an arithmetic number, because the mean of its divisors is an integer number (50151618).

Almost surely, 2^167172055 is an apocalyptic number.

167172055 is a deficient number, since it is larger than the sum of its proper divisors (33434417).

167172055 is an equidigital number, since it uses as much as digits as its factorization.

167172055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33434416.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 167172055 is about 12929.5032773885. The cubic root of 167172055 is about 550.8768986844.

The spelling of 167172055 in words is "one hundred sixty-seven million, one hundred seventy-two thousand, fifty-five".