163523671026 has 16 divisors (see below), whose sum is σ = 327062647200. Its totient is φ = 54505339488.

The previous prime is 163523671009. The next prime is 163523671027. The reversal of 163523671026 is 620176325361.

It is not an unprimeable number, because it can be changed into a prime (163523671027) 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, 496411 + ... + 757278.

It is an arithmetic number, because the mean of its divisors is an integer number (20441415450).

Almost surely, 2^163523671026 is an apocalyptic number.

163523671026 is an abundant number, since it is smaller than the sum of its proper divisors (163538976174).

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

163523671026 is a wasteful number, since it uses less digits than its factorization.

163523671026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275433.

The product of its (nonzero) digits is 272160, while the sum is 42.

Adding to 163523671026 its reverse (620176325361), we get a palindrome (783699996387).

The spelling of 163523671026 in words is "one hundred sixty-three billion, five hundred twenty-three million, six hundred seventy-one thousand, twenty-six".