171016417457 has 2 divisors, whose sum is σ = 171016417458. Its totient is φ = 171016417456.

The previous prime is 171016417409. The next prime is 171016417529. The reversal of 171016417457 is 754714610171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148181883136 + 22834534321 = 384944^2 + 151111^2 .

It is a cyclic number.

It is not a de Polignac number, because 171016417457 - 2⁶ = 171016417393 is a prime.

It is not a weakly prime, because it can be changed into another prime (171016417357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85508208728 + 85508208729.

It is an arithmetic number, because the mean of its divisors is an integer number (85508208729).

Almost surely, 2^171016417457 is an apocalyptic number.

It is an amenable number.

171016417457 is a deficient number, since it is larger than the sum of its proper divisors (1).

171016417457 is an equidigital number, since it uses as much as digits as its factorization.

171016417457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 44.

The spelling of 171016417457 in words is "one hundred seventy-one billion, sixteen million, four hundred seventeen thousand, four hundred fifty-seven".