1670180380669 has 2 divisors, whose sum is σ = 1670180380670. Its totient is φ = 1670180380668.

The previous prime is 1670180380633. The next prime is 1670180380723. The reversal of 1670180380669 is 9660830810761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1600637416569 + 69542964100 = 1265163^2 + 263710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670180380669 - 2²¹ = 1670178283517 is a prime.

It is a super-2 number, since 2×1670180380669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1670180350669) 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, 835090190334 + 835090190335.

It is an arithmetic number, because the mean of its divisors is an integer number (835090190335).

Almost surely, 2^{1670180380669} is an apocalyptic number.

It is an amenable number.

1670180380669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670180380669 is an equidigital number, since it uses as much as digits as its factorization.

1670180380669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 1670180380669 in words is "one trillion, six hundred seventy billion, one hundred eighty million, three hundred eighty thousand, six hundred sixty-nine".