120161634066 has 12 divisors (see below), whose sum is σ = 260350207182. Its totient is φ = 40053878016.

The previous prime is 120161634059. The next prime is 120161634143. The reversal of 120161634066 is 660436161021.

It is a happy number.

120161634066 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 616 + 34 + 0 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85740624225 + 34421009841 = 292815^2 + 185529^2 .

It is a super-2 number, since 2×120161634066² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120161634066.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3337823151 + ... + 3337823186.

Almost surely, 2^120161634066 is an apocalyptic number.

120161634066 is an abundant number, since it is smaller than the sum of its proper divisors (140188573116).

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

120161634066 is a wasteful number, since it uses less digits than its factorization.

120161634066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675646345 (or 6675646342 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

Adding to 120161634066 its reverse (660436161021), we get a palindrome (780597795087).

The spelling of 120161634066 in words is "one hundred twenty billion, one hundred sixty-one million, six hundred thirty-four thousand, sixty-six".