163538706 has 8 divisors (see below), whose sum is σ = 327077424. Its totient is φ = 54512900.

The previous prime is 163538701. The next prime is 163538723. The reversal of 163538706 is 607835361.

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

163538706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (163538701) 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, 13628220 + ... + 13628231.

It is an arithmetic number, because the mean of its divisors is an integer number (40884678).

Almost surely, 2^163538706 is an apocalyptic number.

163538706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163538706 is a wasteful number, since it uses less digits than its factorization.

163538706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256456.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 163538706 is about 12788.2252873493. The cubic root of 163538706 is about 546.8566768762.

The spelling of 163538706 in words is "one hundred sixty-three million, five hundred thirty-eight thousand, seven hundred six".