1670201707087 has 2 divisors, whose sum is σ = 1670201707088. Its totient is φ = 1670201707086.

The previous prime is 1670201707073. The next prime is 1670201707099. The reversal of 1670201707087 is 7807071020761.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7807071020761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1670201707087 - 2³⁹ = 1120445893199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670201707687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835100853543 + 835100853544.

It is an arithmetic number, because the mean of its divisors is an integer number (835100853544).

Almost surely, 2^{1670201707087} is an apocalyptic number.

1670201707087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670201707087 is an equidigital number, since it uses as much as digits as its factorization.

1670201707087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 46.

The spelling of 1670201707087 in words is "one trillion, six hundred seventy billion, two hundred one million, seven hundred seven thousand, eighty-seven".