210163055 has 8 divisors (see below), whose sum is σ = 255234672. Its totient is φ = 166104448.

The previous prime is 210163049. The next prime is 210163091. The reversal of 210163055 is 550361012.

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 210163055 - 2⁴ = 210163039 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 210163055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252794 + ... + 253623.

It is an arithmetic number, because the mean of its divisors is an integer number (31904334).

Almost surely, 2^210163055 is an apocalyptic number.

210163055 is a deficient number, since it is larger than the sum of its proper divisors (45071617).

210163055 is an equidigital number, since it uses as much as digits as its factorization.

210163055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506505.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 210163055 is about 14497.0015865351. The cubic root of 210163055 is about 594.5459945557.

It can be divided in two parts, 2101 and 63055, that added together give a palindrome (65156).

The spelling of 210163055 in words is "two hundred ten million, one hundred sixty-three thousand, fifty-five".