1608881033 has 2 divisors, whose sum is σ = 1608881034. Its totient is φ = 1608881032.

The previous prime is 1608880967. The next prime is 1608881083. The reversal of 1608881033 is 3301888061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1515700624 + 93180409 = 38932^2 + 9653^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608881033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1608881083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804440516 + 804440517.

It is an arithmetic number, because the mean of its divisors is an integer number (804440517).

Almost surely, 2^1608881033 is an apocalyptic number.

It is an amenable number.

1608881033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608881033 is an equidigital number, since it uses as much as digits as its factorization.

1608881033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1608881033 is about 40110.8592902221. The cubic root of 1608881033 is about 1171.7671285103.

The spelling of 1608881033 in words is "one billion, six hundred eight million, eight hundred eighty-one thousand, thirty-three".