1671616097 has 2 divisors, whose sum is σ = 1671616098. Its totient is φ = 1671616096.

The previous prime is 1671616073. The next prime is 1671616153. The reversal of 1671616097 is 7906161761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1070336656 + 601279441 = 32716^2 + 24521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671616097 - 2¹⁸ = 1671353953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673616097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835808048 + 835808049.

It is an arithmetic number, because the mean of its divisors is an integer number (835808049).

Almost surely, 2^1671616097 is an apocalyptic number.

It is an amenable number.

1671616097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671616097 is an equidigital number, since it uses as much as digits as its factorization.

1671616097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1671616097 is about 40885.4020036492. The cubic root of 1671616097 is about 1186.8035813476.

The spelling of 1671616097 in words is "one billion, six hundred seventy-one million, six hundred sixteen thousand, ninety-seven".