163120542 has 32 divisors (see below), whose sum is σ = 372006432. Its totient is φ = 47238144.

The previous prime is 163120541. The next prime is 163120553. The reversal of 163120542 is 245021361.

163120542 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163120542² = 53216622444747528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163120541) 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, 60183 + ... + 62834.

It is an arithmetic number, because the mean of its divisors is an integer number (11625201).

Almost surely, 2^163120542 is an apocalyptic number.

163120542 is an abundant number, since it is smaller than the sum of its proper divisors (208885890).

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

163120542 is a wasteful number, since it uses less digits than its factorization.

163120542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123052.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 163120542 is about 12771.8652514032. The cubic root of 163120542 is about 546.3901798528.

The spelling of 163120542 in words is "one hundred sixty-three million, one hundred twenty thousand, five hundred forty-two".