161150716555122 has 24 divisors (see below), whose sum is σ = 374922075251376. Its totient is φ = 46043061872808.

The previous prime is 161150716555121. The next prime is 161150716555141. The reversal of 161150716555122 is 221555617051161.

161150716555122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (161150716555121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274065844188 + ... + 274065844775.

It is an arithmetic number, because the mean of its divisors is an integer number (15621753135474).

Almost surely, 2^{161150716555122} is an apocalyptic number.

161150716555122 is an abundant number, since it is smaller than the sum of its proper divisors (213771358696254).

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

161150716555122 is a wasteful number, since it uses less digits than its factorization.

161150716555122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548131688982 (or 548131688975 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 48.

The spelling of 161150716555122 in words is "one hundred sixty-one trillion, one hundred fifty billion, seven hundred sixteen million, five hundred fifty-five thousand, one hundred twenty-two".