1670996603 has 2 divisors, whose sum is σ = 1670996604. Its totient is φ = 1670996602.

The previous prime is 1670996599. The next prime is 1670996633. The reversal of 1670996603 is 3066990761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1670996603 - 2² = 1670996599 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670996633) 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, 835498301 + 835498302.

It is an arithmetic number, because the mean of its divisors is an integer number (835498302).

Almost surely, 2^1670996603 is an apocalyptic number.

1670996603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670996603 is an equidigital number, since it uses as much as digits as its factorization.

1670996603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 1670996603 is about 40877.8253213157. The cubic root of 1670996603 is about 1186.6569550696.

The spelling of 1670996603 in words is "one billion, six hundred seventy million, nine hundred ninety-six thousand, six hundred three".