170675570641 has 3 divisors (see below), whose sum is σ = 170675983771. Its totient is φ = 170675157512.

The previous prime is 170675570629. The next prime is 170675570669. The reversal of 170675570641 is 146075576071.

The square root of 170675570641 is 413129.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 67429028241 + 103246542400 = 259671^2 + 321320^2 .

It is a de Polignac number, because none of the positive numbers 2^k-170675570641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170675570671) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 206565 + ... + 619693.

Almost surely, 2^170675570641 is an apocalyptic number.

170675570641 is the 413129-th square number.

170675570641 is the 206565-th centered octagonal number.

It is an amenable number.

170675570641 is a deficient number, since it is larger than the sum of its proper divisors (413130).

170675570641 is an frugal number, since it uses more digits than its factorization.

170675570641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826258 (or 413129 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

Multiplying 170675570641 by its sum of digits (49), we get a square (8363102961409 = 2891903²).

The spelling of 170675570641 in words is "one hundred seventy billion, six hundred seventy-five million, five hundred seventy thousand, six hundred forty-one".