163103405406011 has 16 divisors (see below), whose sum is σ = 199252516474368. Its totient is φ = 130462957204800.

The previous prime is 163103405405957. The next prime is 163103405406061. The reversal of 163103405406011 is 110604504301361.

It is a cyclic number.

It is not a de Polignac number, because 163103405406011 - 2⁴⁶ = 92734661228347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163103405406061) 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, 12354440105 + ... + 12354453306.

It is an arithmetic number, because the mean of its divisors is an integer number (12453282279648).

Almost surely, 2^{163103405406011} is an apocalyptic number.

163103405406011 is a deficient number, since it is larger than the sum of its proper divisors (36149111068357).

163103405406011 is a wasteful number, since it uses less digits than its factorization.

163103405406011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24708893482.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 163103405406011 its reverse (110604504301361), we get a palindrome (273707909707372).

The spelling of 163103405406011 in words is "one hundred sixty-three trillion, one hundred three billion, four hundred five million, four hundred six thousand, eleven".