1670016899 has 2 divisors, whose sum is σ = 1670016900. Its totient is φ = 1670016898.

The previous prime is 1670016869. The next prime is 1670016911. The reversal of 1670016899 is 9986100761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1670016899 - 2²⁴ = 1653239683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670016869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835008449 + 835008450.

It is an arithmetic number, because the mean of its divisors is an integer number (835008450).

Almost surely, 2^1670016899 is an apocalyptic number.

1670016899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670016899 is an equidigital number, since it uses as much as digits as its factorization.

1670016899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 1670016899 is about 40865.8402458582. The cubic root of 1670016899 is about 1186.4249977170.

The spelling of 1670016899 in words is "one billion, six hundred seventy million, sixteen thousand, eight hundred ninety-nine".