161606106101171 has 16 divisors (see below), whose sum is σ = 175290635520000. Its totient is φ = 148386034744320.

The previous prime is 161606106101161. The next prime is 161606106101183. The reversal of 161606106101171 is 171101601606161.

It is a cyclic number.

It is not a de Polignac number, because 161606106101171 - 2⁴⁶ = 91237361923507 is a prime.

It is a super-2 number, since 2×161606106101171² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161606106101161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22348205 + ... + 28681953.

It is an arithmetic number, because the mean of its divisors is an integer number (10955664720000).

Almost surely, 2^{161606106101171} is an apocalyptic number.

161606106101171 is a deficient number, since it is larger than the sum of its proper divisors (13684529418829).

161606106101171 is a wasteful number, since it uses less digits than its factorization.

161606106101171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370414.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 161606106101171 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred six million, one hundred one thousand, one hundred seventy-one".