1606430163 has 32 divisors (see below), whose sum is σ = 2365183744. Its totient is φ = 963591552.

The previous prime is 1606430141. The next prime is 1606430173. The reversal of 1606430163 is 3610346061.

It is not a de Polignac number, because 1606430163 - 2⁵ = 1606430131 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 1606430163.

It is not an unprimeable number, because it can be changed into a prime (1606430173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1429920 + ... + 1431042.

It is an arithmetic number, because the mean of its divisors is an integer number (73911992).

Almost surely, 2^1606430163 is an apocalyptic number.

1606430163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1606430163 is a deficient number, since it is larger than the sum of its proper divisors (758753581).

1606430163 is a wasteful number, since it uses less digits than its factorization.

1606430163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1606430163 is about 40080.2964435145. The cubic root of 1606430163 is about 1171.1718269012.

The spelling of 1606430163 in words is "one billion, six hundred six million, four hundred thirty thousand, one hundred sixty-three".