461586666661 has 8 divisors (see below), whose sum is σ = 498264468480. Its totient is φ = 426292932912.

The previous prime is 461586666641. The next prime is 461586666713. The reversal of 461586666661 is 166666685164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 461586666661 - 2¹¹ = 461586664613 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 461586666661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461586666631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346016325 + ... + 346017658.

It is an arithmetic number, because the mean of its divisors is an integer number (62283058560).

Almost surely, 2^461586666661 is an apocalyptic number.

It is an amenable number.

461586666661 is a deficient number, since it is larger than the sum of its proper divisors (36677801819).

461586666661 is a wasteful number, since it uses less digits than its factorization.

461586666661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692034035.

The product of its digits is 44789760, while the sum is 61.

The spelling of 461586666661 in words is "four hundred sixty-one billion, five hundred eighty-six million, six hundred sixty-six thousand, six hundred sixty-one".