1611613543171 has 8 divisors (see below), whose sum is σ = 1685918858400. Its totient is φ = 1538557056960.

The previous prime is 1611613543069. The next prime is 1611613543223. The reversal of 1611613543171 is 1713453161161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1611613543171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1611613541171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312204615 + ... + 312209776.

It is an arithmetic number, because the mean of its divisors is an integer number (210739857300).

Almost surely, 2^{1611613543171} is an apocalyptic number.

1611613543171 is a deficient number, since it is larger than the sum of its proper divisors (74305315229).

1611613543171 is an equidigital number, since it uses as much as digits as its factorization.

1611613543171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624414509.

The product of its digits is 45360, while the sum is 40.

The spelling of 1611613543171 in words is "one trillion, six hundred eleven billion, six hundred thirteen million, five hundred forty-three thousand, one hundred seventy-one".