163544542 has 16 divisors (see below), whose sum is σ = 280691712. Its totient is φ = 70008120.

The previous prime is 163544509. The next prime is 163544569. The reversal of 163544542 is 245445361.

It is a junction number, because it is equal to n+sod(n) for n = 163544498 and 163544507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6343 + ... + 19165.

It is an arithmetic number, because the mean of its divisors is an integer number (17543232).

Almost surely, 2^163544542 is an apocalyptic number.

163544542 is a deficient number, since it is larger than the sum of its proper divisors (117147170).

163544542 is a wasteful number, since it uses less digits than its factorization.

163544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13743.

The product of its digits is 57600, while the sum is 34.

The square root of 163544542 is about 12788.4534639651. The cubic root of 163544542 is about 546.8631817941.

The spelling of 163544542 in words is "one hundred sixty-three million, five hundred forty-four thousand, five hundred forty-two".