170775995560641 has 9 divisors (see below), whose sum is σ = 246676494660609. Its totient is φ = 113850637570836.

The previous prime is 170775995560607. The next prime is 170775995560663. The reversal of 170775995560641 is 146065599577071.

The square root of 170775995560641 is 13068129.

It is a perfect power (a square), and thus also a powerful number.

170775995560641 is a `hidden beast` number, since 1 + 7 + 0 + 7 + 7 + 5 + 9 + 9 + 5 + 5 + 606 + 4 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 170775995560641 - 2⁴⁷ = 30038507205313 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 170775995560641.

It is not an unprimeable number, because it can be changed into a prime (170775995560691) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 37026366 + ... + 41382408.

Almost surely, 2^{170775995560641} is an apocalyptic number.

170775995560641 is the 13068129-th square number.

170775995560641 is the 6534065-th centered octagonal number.

It is an amenable number.

170775995560641 is a deficient number, since it is larger than the sum of its proper divisors (75900499099968).

170775995560641 is an frugal number, since it uses more digits than its factorization.

170775995560641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712092 (or 4356046 counting only the distinct ones).

The product of its (nonzero) digits is 500094000, while the sum is 72.

The spelling of 170775995560641 in words is "one hundred seventy trillion, seven hundred seventy-five billion, nine hundred ninety-five million, five hundred sixty thousand, six hundred forty-one".