163106243 has 4 divisors (see below), whose sum is σ = 163141008. Its totient is φ = 163071480.

The previous prime is 163106239. The next prime is 163106257. The reversal of 163106243 is 342601361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163106243 - 2² = 163106239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163106233) 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, 8996 + ... + 20177.

It is an arithmetic number, because the mean of its divisors is an integer number (40785252).

Almost surely, 2^163106243 is an apocalyptic number.

163106243 is a deficient number, since it is larger than the sum of its proper divisors (34765).

163106243 is an equidigital number, since it uses as much as digits as its factorization.

163106243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34764.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 163106243 is about 12771.3054540247. The cubic root of 163106243 is about 546.3742140290.

The spelling of 163106243 in words is "one hundred sixty-three million, one hundred six thousand, two hundred forty-three".