163156046441 has 4 divisors (see below), whose sum is σ = 171743206800. Its totient is φ = 154568886084.

The previous prime is 163156046411. The next prime is 163156046461. The reversal of 163156046441 is 144640651361.

It is a happy number.

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 163156046441 - 2⁶ = 163156046377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163156046411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293580151 + ... + 4293580188.

It is an arithmetic number, because the mean of its divisors is an integer number (42935801700).

Almost surely, 2^163156046441 is an apocalyptic number.

It is an amenable number.

163156046441 is a deficient number, since it is larger than the sum of its proper divisors (8587160359).

163156046441 is an equidigital number, since it uses as much as digits as its factorization.

163156046441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8587160358.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 163156046441 in words is "one hundred sixty-three billion, one hundred fifty-six million, forty-six thousand, four hundred forty-one".