1606159963 has 2 divisors, whose sum is σ = 1606159964. Its totient is φ = 1606159962.

The previous prime is 1606159937. The next prime is 1606160027. The reversal of 1606159963 is 3699516061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1606159963 - 2¹⁷ = 1606028891 is a prime.

It is a super-2 number, since 2×1606159963² = 5159499653488322738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1606159903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803079981 + 803079982.

It is an arithmetic number, because the mean of its divisors is an integer number (803079982).

Almost surely, 2^1606159963 is an apocalyptic number.

1606159963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606159963 is an equidigital number, since it uses as much as digits as its factorization.

1606159963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 1606159963 is about 40076.9255682119. The cubic root of 1606159963 is about 1171.1061598964.

The spelling of 1606159963 in words is "one billion, six hundred six million, one hundred fifty-nine thousand, nine hundred sixty-three".