1608626953 has 2 divisors, whose sum is σ = 1608626954. Its totient is φ = 1608626952.

The previous prime is 1608626941. The next prime is 1608626959. The reversal of 1608626953 is 3596268061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1389201984 + 219424969 = 37272^2 + 14813^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608626953 - 2⁹ = 1608626441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1608626959) 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 as a sum of consecutive naturals, namely, 804313476 + 804313477.

It is an arithmetic number, because the mean of its divisors is an integer number (804313477).

Almost surely, 2^1608626953 is an apocalyptic number.

It is an amenable number.

1608626953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608626953 is an equidigital number, since it uses as much as digits as its factorization.

1608626953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 1608626953 is about 40107.6919430675. The cubic root of 1608626953 is about 1171.7054421043.

The spelling of 1608626953 in words is "one billion, six hundred eight million, six hundred twenty-six thousand, nine hundred fifty-three".