461066464256641 has 4 divisors (see below), whose sum is σ = 466902748614400. Its totient is φ = 455230179898884.

The previous prime is 461066464256639. The next prime is 461066464256647. The reversal of 461066464256641 is 146652464660164.

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 461066464256641 - 2¹ = 461066464256639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 461066464256641.

It is not an unprimeable number, because it can be changed into a prime (461066464256647) 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, 2918142178761 + ... + 2918142178918.

It is an arithmetic number, because the mean of its divisors is an integer number (116725687153600).

Almost surely, 2^{461066464256641} is an apocalyptic number.

It is an amenable number.

461066464256641 is a deficient number, since it is larger than the sum of its proper divisors (5836284357759).

461066464256641 is an equidigital number, since it uses as much as digits as its factorization.

461066464256641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836284357758.

The product of its (nonzero) digits is 119439360, while the sum is 61.

The spelling of 461066464256641 in words is "four hundred sixty-one trillion, sixty-six billion, four hundred sixty-four million, two hundred fifty-six thousand, six hundred forty-one".