165055161611016 has 192 divisors, whose sum is σ = 472146529720320. Its totient is φ = 51984931363200.

The previous prime is 165055161610991. The next prime is 165055161611017. The reversal of 165055161611016 is 610116161550561.

165055161611016 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 5 + 5 + 1 + 616 + 1 + 10 + 16 = 666.

It is not an unprimeable number, because it can be changed into a prime (165055161611017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1024044465 + ... + 1024205631.

It is an arithmetic number, because the mean of its divisors is an integer number (2459096508960).

Almost surely, 2^{165055161611016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165055161611016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236073264860160).

165055161611016 is an abundant number, since it is smaller than the sum of its proper divisors (307091368109304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165055161611016 is a wasteful number, since it uses less digits than its factorization.

165055161611016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168736 (or 168729 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 165055161611016 in words is "one hundred sixty-five trillion, fifty-five billion, one hundred sixty-one million, six hundred eleven thousand, sixteen".