171231852041641 has 8 divisors (see below), whose sum is σ = 175280825608704. Its totient is φ = 167199784419360.

The previous prime is 171231852041633. The next prime is 171231852041671. The reversal of 171231852041641 is 146140258132171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171231852041641 - 2³ = 171231852041633 is a prime.

It is a super-2 number, since 2×171231852041641² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 171231852041591 and 171231852041600.

It is not an unprimeable number, because it can be changed into a prime (171231852041611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4226465700 + ... + 4226506213.

It is an arithmetic number, because the mean of its divisors is an integer number (21910103201088).

Almost surely, 2^{171231852041641} is an apocalyptic number.

It is an amenable number.

171231852041641 is a deficient number, since it is larger than the sum of its proper divisors (4048973567063).

171231852041641 is an equidigital number, since it uses as much as digits as its factorization.

171231852041641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452972391.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 171231852041641 in words is "one hundred seventy-one trillion, two hundred thirty-one billion, eight hundred fifty-two million, forty-one thousand, six hundred forty-one".