163158842 has 32 divisors (see below), whose sum is σ = 306561024. Its totient is φ = 63270000.

The previous prime is 163158841. The next prime is 163158851. The reversal of 163158842 is 248851361.

It is a junction number, because it is equal to n+sod(n) for n = 163158796 and 163158805.

It is not an unprimeable number, because it can be changed into a prime (163158841) 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, 31967 + ... + 36717.

It is an arithmetic number, because the mean of its divisors is an integer number (9580032).

Almost surely, 2^163158842 is an apocalyptic number.

163158842 is a deficient number, since it is larger than the sum of its proper divisors (143402182).

163158842 is a wasteful number, since it uses less digits than its factorization.

163158842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994.

The product of its digits is 46080, while the sum is 38.

The square root of 163158842 is about 12773.3645528498. The cubic root of 163158842 is about 546.4329398592.

The spelling of 163158842 in words is "one hundred sixty-three million, one hundred fifty-eight thousand, eight hundred forty-two".