163105955 has 8 divisors (see below), whose sum is σ = 196171632. Its totient is φ = 130188448.

The previous prime is 163105931. The next prime is 163105967. The reversal of 163105955 is 559501361.

It is a happy number.

163105955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163105955 - 2¹⁴ = 163089571 is a prime.

It is a Duffinian 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, 34604 + ... + 39033.

It is an arithmetic number, because the mean of its divisors is an integer number (24521454).

Almost surely, 2^163105955 is an apocalyptic number.

163105955 is a deficient number, since it is larger than the sum of its proper divisors (33065677).

163105955 is an equidigital number, since it uses as much as digits as its factorization.

163105955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74085.

The product of its (nonzero) digits is 20250, while the sum is 35.

The square root of 163105955 is about 12771.2941787432. The cubic root of 163105955 is about 546.3738924475.

The spelling of 163105955 in words is "one hundred sixty-three million, one hundred five thousand, nine hundred fifty-five".