163556470041 has 4 divisors (see below), whose sum is σ = 218075293392. Its totient is φ = 109037646692.

The previous prime is 163556470031. The next prime is 163556470043. The reversal of 163556470041 is 140074655361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163556470041 - 2⁹ = 163556469529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163556469975 and 163556470002.

It is not an unprimeable number, because it can be changed into a prime (163556470043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27259411671 + ... + 27259411676.

It is an arithmetic number, because the mean of its divisors is an integer number (54518823348).

Almost surely, 2^163556470041 is an apocalyptic number.

It is an amenable number.

163556470041 is a deficient number, since it is larger than the sum of its proper divisors (54518823351).

163556470041 is an equidigital number, since it uses as much as digits as its factorization.

163556470041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54518823350.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 163556470041 in words is "one hundred sixty-three billion, five hundred fifty-six million, four hundred seventy thousand, forty-one".