163630148843 has 16 divisors (see below), whose sum is σ = 197558987520. Its totient is φ = 132392887776.

The previous prime is 163630148837. The next prime is 163630148879. The reversal of 163630148843 is 348841036361.

It is a cyclic number.

It is not a de Polignac number, because 163630148843 - 2¹² = 163630144747 is a prime.

It is a super-2 number, since 2×163630148843² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163630148813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2183921 + ... + 2257602.

It is an arithmetic number, because the mean of its divisors is an integer number (12347436720).

Almost surely, 2^163630148843 is an apocalyptic number.

163630148843 is a deficient number, since it is larger than the sum of its proper divisors (33928838677).

163630148843 is a wasteful number, since it uses less digits than its factorization.

163630148843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441826.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 163630148843 in words is "one hundred sixty-three billion, six hundred thirty million, one hundred forty-eight thousand, eight hundred forty-three".