163708434 has 24 divisors (see below), whose sum is σ = 370124352. Its totient is φ = 52196760.

The previous prime is 163708409. The next prime is 163708481. The reversal of 163708434 is 434807361.

163708434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197302 + ... + 198129.

It is an arithmetic number, because the mean of its divisors is an integer number (15421848).

Almost surely, 2^163708434 is an apocalyptic number.

163708434 is an abundant number, since it is smaller than the sum of its proper divisors (206415918).

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

163708434 is a wasteful number, since it uses less digits than its factorization.

163708434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395462 (or 395459 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 163708434 is about 12794.8596709772. The cubic root of 163708434 is about 547.0457958131.

The spelling of 163708434 in words is "one hundred sixty-three million, seven hundred eight thousand, four hundred thirty-four".