163561727230 has 64 divisors (see below), whose sum is σ = 323296966656. Its totient is φ = 59084752000.

The previous prime is 163561727227. The next prime is 163561727299. The reversal of 163561727230 is 32727165361.

163561727230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163561727230² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29893395 + ... + 29898865.

It is an arithmetic number, because the mean of its divisors is an integer number (5051515104).

Almost surely, 2^163561727230 is an apocalyptic number.

163561727230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163561727230 is a deficient number, since it is larger than the sum of its proper divisors (159735239426).

163561727230 is a wasteful number, since it uses less digits than its factorization.

163561727230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 163561727230 in words is "one hundred sixty-three billion, five hundred sixty-one million, seven hundred twenty-seven thousand, two hundred thirty".