1670792171 has 2 divisors, whose sum is σ = 1670792172. Its totient is φ = 1670792170.

The previous prime is 1670792159. The next prime is 1670792183. The reversal of 1670792171 is 1712970761.

It is a balanced prime because it is at equal distance from previous prime (1670792159) and next prime (1670792183).

It is an emirp because it is prime and its reverse (1712970761) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670792171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670792671) 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, 835396085 + 835396086.

It is an arithmetic number, because the mean of its divisors is an integer number (835396086).

Almost surely, 2^1670792171 is an apocalyptic number.

1670792171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670792171 is an equidigital number, since it uses as much as digits as its factorization.

1670792171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044, while the sum is 41.

The square root of 1670792171 is about 40875.3247204227. The cubic root of 1670792171 is about 1186.6085606867.

The spelling of 1670792171 in words is "one billion, six hundred seventy million, seven hundred ninety-two thousand, one hundred seventy-one".