163952641001 has 4 divisors (see below), whose sum is σ = 169241435904. Its totient is φ = 158663846100.

The previous prime is 163952640989. The next prime is 163952641003. The reversal of 163952641001 is 100146259361.

163952641001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 163952641001 - 2¹⁸ = 163952378857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163952641003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2644397405 + ... + 2644397466.

It is an arithmetic number, because the mean of its divisors is an integer number (42310358976).

Almost surely, 2^163952641001 is an apocalyptic number.

It is an amenable number.

163952641001 is a deficient number, since it is larger than the sum of its proper divisors (5288794903).

163952641001 is an equidigital number, since it uses as much as digits as its factorization.

163952641001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288794902.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 163952641001 in words is "one hundred sixty-three billion, nine hundred fifty-two million, six hundred forty-one thousand, one".