622168616 has 32 divisors (see below), whose sum is σ = 1209786240. Its totient is φ = 299723328.

The previous prime is 622168597. The next prime is 622168627. The reversal of 622168616 is 616861226.

It is a self number, because there is not a number n which added to its sum of digits gives 622168616.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20285 + ... + 40691.

It is an arithmetic number, because the mean of its divisors is an integer number (37805820).

Almost surely, 2^622168616 is an apocalyptic number.

It is an amenable number.

622168616 is a deficient number, since it is larger than the sum of its proper divisors (587617624).

622168616 is a wasteful number, since it uses less digits than its factorization.

622168616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553 (or 20549 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 622168616 is about 24943.3080404344. The cubic root of 622168616 is about 853.6949258312.

The spelling of 622168616 in words is "six hundred twenty-two million, one hundred sixty-eight thousand, six hundred sixteen".