163034407438 has 16 divisors (see below), whose sum is σ = 279592808544. Its totient is φ = 69845575680.

The previous prime is 163034407433. The next prime is 163034407441. The reversal of 163034407438 is 834704430361.

It is a junction number, because it is equal to n+sod(n) for n = 163034407394 and 163034407403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163034407433) 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, 2154243 + ... + 2228638.

It is an arithmetic number, because the mean of its divisors is an integer number (17474550534).

Almost surely, 2^163034407438 is an apocalyptic number.

163034407438 is a deficient number, since it is larger than the sum of its proper divisors (116558401106).

163034407438 is a wasteful number, since it uses less digits than its factorization.

163034407438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385547.

The product of its (nonzero) digits is 580608, while the sum is 43.

Adding to 163034407438 its reverse (834704430361), we get a palindrome (997738837799).

The spelling of 163034407438 in words is "one hundred sixty-three billion, thirty-four million, four hundred seven thousand, four hundred thirty-eight".