120163646142 has 24 divisors (see below), whose sum is σ = 271674331344. Its totient is φ = 38313046464.

The previous prime is 120163646137. The next prime is 120163646143. The reversal of 120163646142 is 241646361021.

120163646142 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 6 + 3 + 646 + 1 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 120163646097 and 120163646106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120163646143) 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, 145124763 + ... + 145125590.

It is an arithmetic number, because the mean of its divisors is an integer number (11319763806).

Almost surely, 2^120163646142 is an apocalyptic number.

120163646142 is an abundant number, since it is smaller than the sum of its proper divisors (151510685202).

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

120163646142 is a wasteful number, since it uses less digits than its factorization.

120163646142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290250384 (or 290250381 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 120163646142 in words is "one hundred twenty billion, one hundred sixty-three million, six hundred forty-six thousand, one hundred forty-two".