170670225497 has 2 divisors, whose sum is σ = 170670225498. Its totient is φ = 170670225496.

The previous prime is 170670225457. The next prime is 170670225581. The reversal of 170670225497 is 794522076071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133967712256 + 36702513241 = 366016^2 + 191579^2 .

It is an emirp because it is prime and its reverse (794522076071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170670225497 is a prime.

It is not a weakly prime, because it can be changed into another prime (170670225437) 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, 85335112748 + 85335112749.

It is an arithmetic number, because the mean of its divisors is an integer number (85335112749).

Almost surely, 2^170670225497 is an apocalyptic number.

It is an amenable number.

170670225497 is a deficient number, since it is larger than the sum of its proper divisors (1).

170670225497 is an equidigital number, since it uses as much as digits as its factorization.

170670225497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 170670225497 in words is "one hundred seventy billion, six hundred seventy million, two hundred twenty-five thousand, four hundred ninety-seven".