163529730553 has 8 divisors (see below), whose sum is σ = 187016815872. Its totient is φ = 140074069056.

The previous prime is 163529730523. The next prime is 163529730577. The reversal of 163529730553 is 355037925361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163529730553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163529730497 and 163529730506.

It is not an unprimeable number, because it can be changed into a prime (163529730523) 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, 7844800 + ... + 7865617.

It is an arithmetic number, because the mean of its divisors is an integer number (23377101984).

Almost surely, 2^163529730553 is an apocalyptic number.

It is an amenable number.

163529730553 is a deficient number, since it is larger than the sum of its proper divisors (23487085319).

163529730553 is a wasteful number, since it uses less digits than its factorization.

163529730553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15711911.

The product of its (nonzero) digits is 2551500, while the sum is 49.

The spelling of 163529730553 in words is "one hundred sixty-three billion, five hundred twenty-nine million, seven hundred thirty thousand, five hundred fifty-three".