1608212803 has 2 divisors, whose sum is σ = 1608212804. Its totient is φ = 1608212802.

The previous prime is 1608212797. The next prime is 1608212861. The reversal of 1608212803 is 3082128061.

It is a weak prime.

It is an emirp because it is prime and its reverse (3082128061) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1608212803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1608212863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804106401 + 804106402.

It is an arithmetic number, because the mean of its divisors is an integer number (804106402).

Almost surely, 2^1608212803 is an apocalyptic number.

1608212803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1608212803 is an equidigital number, since it uses as much as digits as its factorization.

1608212803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1608212803 is about 40102.5286359850. The cubic root of 1608212803 is about 1171.6048794353.

The spelling of 1608212803 in words is "one billion, six hundred eight million, two hundred twelve thousand, eight hundred three".