1608163 has 8 divisors (see below), whose sum is σ = 1658160. Its totient is φ = 1559040.

The previous prime is 1608133. The next prime is 1608197. The reversal of 1608163 is 3618061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608163 is a prime.

It is a Duffinian number.

1608163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1608133) 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, 5583 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (207270).

2^1608163 is an apocalyptic number.

1608163 is a deficient number, since it is larger than the sum of its proper divisors (49997).

1608163 is an equidigital number, since it uses as much as digits as its factorization.

1608163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1608163 is about 1268.1336680335. The cubic root of 1608163 is about 117.1592785256.

It can be divided in two parts, 1608 and 163, that added together give a palindrome (1771).

The spelling of 1608163 in words is "one million, six hundred eight thousand, one hundred sixty-three".