163543042601103 has 32 divisors (see below), whose sum is σ = 247139728093440. Its totient is φ = 95288441911040.

The previous prime is 163543042601101. The next prime is 163543042601119. The reversal of 163543042601103 is 301106240345361.

It is not a de Polignac number, because 163543042601103 - 2¹ = 163543042601101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163543042601101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366496701 + ... + 366942662.

It is an arithmetic number, because the mean of its divisors is an integer number (7723116502920).

Almost surely, 2^{163543042601103} is an apocalyptic number.

163543042601103 is a deficient number, since it is larger than the sum of its proper divisors (83596685492337).

163543042601103 is a wasteful number, since it uses less digits than its factorization.

163543042601103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733439639.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 163543042601103 its reverse (301106240345361), we get a palindrome (464649282946464).

The spelling of 163543042601103 in words is "one hundred sixty-three trillion, five hundred forty-three billion, forty-two million, six hundred one thousand, one hundred three".