163042434 has 48 divisors (see below), whose sum is σ = 360726912. Its totient is φ = 53210304.

The previous prime is 163042367. The next prime is 163042463. The reversal of 163042434 is 434240361.

163042434 is a `hidden beast` number, since 1 + 630 + 4 + 24 + 3 + 4 = 666.

163042434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163042398 and 163042407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219067 + ... + 219809.

It is an arithmetic number, because the mean of its divisors is an integer number (7515144).

Almost surely, 2^163042434 is an apocalyptic number.

163042434 is an abundant number, since it is smaller than the sum of its proper divisors (197684478).

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

163042434 is a wasteful number, since it uses less digits than its factorization.

163042434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 163042434 is about 12768.8070703570. The cubic root of 163042434 is about 546.3029554863.

Adding to 163042434 its reverse (434240361), we get a palindrome (597282795).

The spelling of 163042434 in words is "one hundred sixty-three million, forty-two thousand, four hundred thirty-four".