163748938 has 16 divisors (see below), whose sum is σ = 250381440. Its totient is φ = 80299296.

The previous prime is 163748929. The next prime is 163748951. The reversal of 163748938 is 839847361.

It is a happy number.

163748938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163748938² = 53627429392255688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163748891 and 163748900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29470 + ... + 34582.

It is an arithmetic number, because the mean of its divisors is an integer number (15648840).

Almost surely, 2^163748938 is an apocalyptic number.

163748938 is a deficient number, since it is larger than the sum of its proper divisors (86632502).

163748938 is a wasteful number, since it uses less digits than its factorization.

163748938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5421.

The product of its digits is 870912, while the sum is 49.

The square root of 163748938 is about 12796.4423962287. The cubic root of 163748938 is about 547.0909079580.

The spelling of 163748938 in words is "one hundred sixty-three million, seven hundred forty-eight thousand, nine hundred thirty-eight".