163125305522 has 8 divisors (see below), whose sum is σ = 244719259776. Its totient is φ = 81552218932.

The previous prime is 163125305521. The next prime is 163125305537. The reversal of 163125305522 is 225503521361.

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

It is a super-3 number, since 3×163125305522³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (163125305521) 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, 5197358 + ... + 5228649.

It is an arithmetic number, because the mean of its divisors is an integer number (30589907472).

Almost surely, 2^163125305522 is an apocalyptic number.

163125305522 is a deficient number, since it is larger than the sum of its proper divisors (81593954254).

163125305522 is a wasteful number, since it uses less digits than its factorization.

163125305522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433832.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 163125305522 its reverse (225503521361), we get a palindrome (388628826883).

The spelling of 163125305522 in words is "one hundred sixty-three billion, one hundred twenty-five million, three hundred five thousand, five hundred twenty-two".