170112441557 has 2 divisors, whose sum is σ = 170112441558. Its totient is φ = 170112441556.

The previous prime is 170112441547. The next prime is 170112441601. The reversal of 170112441557 is 755144211071.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160135228561 + 9977212996 = 400169^2 + 99886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170112441557 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170112441557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170112441517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85056220778 + 85056220779.

It is an arithmetic number, because the mean of its divisors is an integer number (85056220779).

Almost surely, 2^170112441557 is an apocalyptic number.

It is an amenable number.

170112441557 is a deficient number, since it is larger than the sum of its proper divisors (1).

170112441557 is an equidigital number, since it uses as much as digits as its factorization.

170112441557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 38.

The spelling of 170112441557 in words is "one hundred seventy billion, one hundred twelve million, four hundred forty-one thousand, five hundred fifty-seven".