163384738 has 16 divisors (see below), whose sum is σ = 269466624. Its totient is φ = 73679760.

The previous prime is 163384733. The next prime is 163384751. The reversal of 163384738 is 837483361.

163384738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163384738² = 53389145222657288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163384694 and 163384703.

It is not an unprimeable number, because it can be changed into a prime (163384733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26445 + ... + 32032.

It is an arithmetic number, because the mean of its divisors is an integer number (16841664).

Almost surely, 2^163384738 is an apocalyptic number.

163384738 is a deficient number, since it is larger than the sum of its proper divisors (106081886).

163384738 is a wasteful number, since it uses less digits than its factorization.

163384738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58617.

The product of its digits is 290304, while the sum is 43.

The square root of 163384738 is about 12782.2039570647. The cubic root of 163384738 is about 546.6850052510.

The spelling of 163384738 in words is "one hundred sixty-three million, three hundred eighty-four thousand, seven hundred thirty-eight".