1608118073 has 2 divisors, whose sum is σ = 1608118074. Its totient is φ = 1608118072.

The previous prime is 1608118037. The next prime is 1608118097. The reversal of 1608118073 is 3708118061.

Together with previous prime (1608118037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010413369 + 597704704 = 31787^2 + 24448^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608118073 - 2¹⁸ = 1607855929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1608118033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804059036 + 804059037.

It is an arithmetic number, because the mean of its divisors is an integer number (804059037).

Almost surely, 2^1608118073 is an apocalyptic number.

It is an amenable number.

1608118073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608118073 is an equidigital number, since it uses as much as digits as its factorization.

1608118073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1608118073 is about 40101.3475209998. The cubic root of 1608118073 is about 1171.5818749529.

The spelling of 1608118073 in words is "one billion, six hundred eight million, one hundred eighteen thousand, seventy-three".