163685134 has 8 divisors (see below), whose sum is σ = 247320288. Its totient is φ = 81245040.

The previous prime is 163685131. The next prime is 163685167. The reversal of 163685134 is 431586361.

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

It is a junction number, because it is equal to n+sod(n) for n = 163685093 and 163685102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163685131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298422 + ... + 298969.

It is an arithmetic number, because the mean of its divisors is an integer number (30915036).

Almost surely, 2^163685134 is an apocalyptic number.

163685134 is a deficient number, since it is larger than the sum of its proper divisors (83635154).

163685134 is a wasteful number, since it uses less digits than its factorization.

163685134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597530.

The product of its digits is 51840, while the sum is 37.

The square root of 163685134 is about 12793.9491166723. The cubic root of 163685134 is about 547.0198415978.

The spelling of 163685134 in words is "one hundred sixty-three million, six hundred eighty-five thousand, one hundred thirty-four".