163530433055546 has 16 divisors (see below), whose sum is σ = 255964245480000. Its totient is φ = 78209116997088.

The previous prime is 163530433055543. The next prime is 163530433055551. The reversal of 163530433055546 is 645550334035361.

It is not an unprimeable number, because it can be changed into a prime (163530433055543) 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, 21434396 + ... + 28044503.

It is an arithmetic number, because the mean of its divisors is an integer number (15997765342500).

Almost surely, 2^{163530433055546} is an apocalyptic number.

163530433055546 is a deficient number, since it is larger than the sum of its proper divisors (92433812424454).

163530433055546 is a wasteful number, since it uses less digits than its factorization.

163530433055546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49550773.

The product of its (nonzero) digits is 29160000, while the sum is 53.

The spelling of 163530433055546 in words is "one hundred sixty-three trillion, five hundred thirty billion, four hundred thirty-three million, fifty-five thousand, five hundred forty-six".