461144106561 has 16 divisors (see below), whose sum is σ = 623765482560. Its totient is φ = 303006466560.

The previous prime is 461144106551. The next prime is 461144106581. The reversal of 461144106561 is 165601441164.

It is not a de Polignac number, because 461144106561 - 2⁵ = 461144106529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461144106541) 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 15 ways as a sum of consecutive naturals, for example, 3739060 + ... + 3860421.

It is an arithmetic number, because the mean of its divisors is an integer number (38985342660).

Almost surely, 2^461144106561 is an apocalyptic number.

It is an amenable number.

461144106561 is a deficient number, since it is larger than the sum of its proper divisors (162621375999).

461144106561 is a wasteful number, since it uses less digits than its factorization.

461144106561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599776.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 461144106561 in words is "four hundred sixty-one billion, one hundred forty-four million, one hundred six thousand, five hundred sixty-one".