4666404717661 has 4 divisors (see below), whose sum is σ = 4666409057152. Its totient is φ = 4666400378172.

The previous prime is 4666404717629. The next prime is 4666404717679. The reversal of 4666404717661 is 1667174046664.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4666404717661 - 2⁵ = 4666404717629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4666404717596 and 4666404717605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4666404217661) 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, 779710 + ... + 3152896.

It is an arithmetic number, because the mean of its divisors is an integer number (1166602264288).

Almost surely, 2^{4666404717661} is an apocalyptic number.

It is an amenable number.

4666404717661 is a deficient number, since it is larger than the sum of its proper divisors (4339491).

4666404717661 is a wasteful number, since it uses less digits than its factorization.

4666404717661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339490.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 4666404717661 in words is "four trillion, six hundred sixty-six billion, four hundred four million, seven hundred seventeen thousand, six hundred sixty-one".