163664546011 has 4 divisors (see below), whose sum is σ = 163681136224. Its totient is φ = 163647955800.

The previous prime is 163664545999. The next prime is 163664546027. The reversal of 163664546011 is 110645466361.

163664546011 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.

It is a cyclic number.

It is not a de Polignac number, because 163664546011 - 2¹¹ = 163664543963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163664546041) 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, 8280300 + ... + 8300041.

It is an arithmetic number, because the mean of its divisors is an integer number (40920284056).

Almost surely, 2^163664546011 is an apocalyptic number.

163664546011 is a deficient number, since it is larger than the sum of its proper divisors (16590213).

163664546011 is an equidigital number, since it uses as much as digits as its factorization.

163664546011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16590212.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 163664546011 in words is "one hundred sixty-three billion, six hundred sixty-four million, five hundred forty-six thousand, eleven".