401167644063 has 16 divisors (see below), whose sum is σ = 558495937536. Its totient is φ = 255656792160.

The previous prime is 401167644029. The next prime is 401167644077. The reversal of 401167644063 is 360446761104.

It is not a de Polignac number, because 401167644063 - 2¹⁰ = 401167643039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401167644263) 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, 1710103 + ... + 1930488.

It is an arithmetic number, because the mean of its divisors is an integer number (34905996096).

Almost surely, 2^401167644063 is an apocalyptic number.

401167644063 is a deficient number, since it is larger than the sum of its proper divisors (157328293473).

401167644063 is a wasteful number, since it uses less digits than its factorization.

401167644063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642214.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 401167644063 in words is "four hundred one billion, one hundred sixty-seven million, six hundred forty-four thousand, sixty-three".