163500055 has 8 divisors (see below), whose sum is σ = 196470000. Its totient is φ = 130620096.

The previous prime is 163500053. The next prime is 163500097. The reversal of 163500055 is 550005361.

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 163500055 - 2¹ = 163500053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163500053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18430 + ... + 25819.

It is an arithmetic number, because the mean of its divisors is an integer number (24558750).

Almost surely, 2^163500055 is an apocalyptic number.

163500055 is a deficient number, since it is larger than the sum of its proper divisors (32969945).

163500055 is an equidigital number, since it uses as much as digits as its factorization.

163500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44993.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 163500055 is about 12786.7140032144. The cubic root of 163500055 is about 546.8135918204.

The spelling of 163500055 in words is "one hundred sixty-three million, five hundred thousand, fifty-five".