616668143056873 has 8 divisors (see below), whose sum is σ = 622088791148160. Its totient is φ = 611268066685920.

The previous prime is 616668143056787. The next prime is 616668143056897. The reversal of 616668143056873 is 378650341866616.

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

It is a cyclic number.

It is not a de Polignac number, because 616668143056873 - 2¹⁷ = 616668142925801 is a prime.

It is a super-2 number, since 2×616668143056873² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616668143050873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5142869868 + ... + 5142989773.

It is an arithmetic number, because the mean of its divisors is an integer number (77761098893520).

Almost surely, 2^{616668143056873} is an apocalyptic number.

It is an amenable number.

616668143056873 is a deficient number, since it is larger than the sum of its proper divisors (5420648091287).

616668143056873 is a wasteful number, since it uses less digits than its factorization.

616668143056873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285860167.

The product of its (nonzero) digits is 627056640, while the sum is 70.

The spelling of 616668143056873 in words is "six hundred sixteen trillion, six hundred sixty-eight billion, one hundred forty-three million, fifty-six thousand, eight hundred seventy-three".