170506825061 has 2 divisors, whose sum is σ = 170506825062. Its totient is φ = 170506825060.

The previous prime is 170506825031. The next prime is 170506825121. The reversal of 170506825061 is 160528605071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157144852225 + 13361972836 = 396415^2 + 115594^2 .

It is a cyclic number.

It is not a de Polignac number, because 170506825061 - 2⁶ = 170506824997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170506825001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85253412530 + 85253412531.

It is an arithmetic number, because the mean of its divisors is an integer number (85253412531).

Almost surely, 2^170506825061 is an apocalyptic number.

It is an amenable number.

170506825061 is a deficient number, since it is larger than the sum of its proper divisors (1).

170506825061 is an equidigital number, since it uses as much as digits as its factorization.

170506825061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 170506825061 in words is "one hundred seventy billion, five hundred six million, eight hundred twenty-five thousand, sixty-one".