636622116473 has 16 divisors (see below), whose sum is σ = 729037770240. Its totient is φ = 544574880000.

The previous prime is 636622116469. The next prime is 636622116497. The reversal of 636622116473 is 374611226636.

It is a cyclic number.

It is not a de Polignac number, because 636622116473 - 2² = 636622116469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636622116443) 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, 7744733 + ... + 7826501.

It is an arithmetic number, because the mean of its divisors is an integer number (45564860640).

Almost surely, 2^636622116473 is an apocalyptic number.

It is an amenable number.

636622116473 is a deficient number, since it is larger than the sum of its proper divisors (92415653767).

636622116473 is a wasteful number, since it uses less digits than its factorization.

636622116473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84008.

The product of its digits is 1306368, while the sum is 47.

The spelling of 636622116473 in words is "six hundred thirty-six billion, six hundred twenty-two million, one hundred sixteen thousand, four hundred seventy-three".