163220516461532 has 36 divisors (see below), whose sum is σ = 295150699822608. Its totient is φ = 78976730880000.

The previous prime is 163220516461531. The next prime is 163220516461559. The reversal of 163220516461532 is 235164615022361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163220516461531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410159657 + ... + 410557407.

It is an arithmetic number, because the mean of its divisors is an integer number (8198630550628).

Almost surely, 2^{163220516461532} is an apocalyptic number.

It is an amenable number.

163220516461532 is a deficient number, since it is larger than the sum of its proper divisors (131930183361076).

163220516461532 is a wasteful number, since it uses less digits than its factorization.

163220516461532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504570 (or 504537 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 163220516461532 in words is "one hundred sixty-three trillion, two hundred twenty billion, five hundred sixteen million, four hundred sixty-one thousand, five hundred thirty-two".