1611716171161 has 8 divisors (see below), whose sum is σ = 1663861678848. Its totient is φ = 1559580330000.

The previous prime is 1611716171123. The next prime is 1611716171171.

1611716171161 is nontrivially palindromic in base 10.

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 1611716171161 - 2¹¹ = 1611716169113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1611716171171) 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, 2077015 + ... + 2745436.

It is an arithmetic number, because the mean of its divisors is an integer number (207982709856).

Almost surely, 2^{1611716171161} is an apocalyptic number.

It is an amenable number.

1611716171161 is a deficient number, since it is larger than the sum of its proper divisors (52145507687).

1611716171161 is a wasteful number, since it uses less digits than its factorization.

1611716171161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833263.

The product of its digits is 10584, while the sum is 40.

The spelling of 1611716171161 in words is "one trillion, six hundred eleven billion, seven hundred sixteen million, one hundred seventy-one thousand, one hundred sixty-one".