163043642 has 8 divisors (see below), whose sum is σ = 255198816. Its totient is φ = 77977372.

The previous prime is 163043641. The next prime is 163043669. The reversal of 163043642 is 246340361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (163043641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1772168 + ... + 1772259.

It is an arithmetic number, because the mean of its divisors is an integer number (31899852).

Almost surely, 2^163043642 is an apocalyptic number.

163043642 is a deficient number, since it is larger than the sum of its proper divisors (92155174).

163043642 is a wasteful number, since it uses less digits than its factorization.

163043642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544452.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 163043642 is about 12768.8543730438. The cubic root of 163043642 is about 546.3043046899.

The spelling of 163043642 in words is "one hundred sixty-three million, forty-three thousand, six hundred forty-two".