4621664554671 has 16 divisors (see below), whose sum is σ = 6588049538304. Its totient is φ = 2871713894784.

The previous prime is 4621664554667. The next prime is 4621664554679. The reversal of 4621664554671 is 1764554661264.

It is not a de Polignac number, because 4621664554671 - 2² = 4621664554667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621664554679) 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, 439901901 + ... + 439912406.

It is an arithmetic number, because the mean of its divisors is an integer number (411753096144).

Almost surely, 2^{4621664554671} is an apocalyptic number.

4621664554671 is a deficient number, since it is larger than the sum of its proper divisors (1966384983633).

4621664554671 is a wasteful number, since it uses less digits than its factorization.

4621664554671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879814430.

The product of its digits is 29030400, while the sum is 57.

The spelling of 4621664554671 in words is "four trillion, six hundred twenty-one billion, six hundred sixty-four million, five hundred fifty-four thousand, six hundred seventy-one".