5606681623 has 8 divisors (see below), whose sum is σ = 5679875376. Its totient is φ = 5533622400.

The previous prime is 5606681609. The next prime is 5606681659. The reversal of 5606681623 is 3261866065.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5606681623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5606681623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5606681693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51663 + ... + 117823.

It is an arithmetic number, because the mean of its divisors is an integer number (709984422).

Almost surely, 2^5606681623 is an apocalyptic number.

5606681623 is a deficient number, since it is larger than the sum of its proper divisors (73193753).

5606681623 is a wasteful number, since it uses less digits than its factorization.

5606681623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67265.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 5606681623 is about 74877.7778983858. Note that the first 3 decimals coincide. The cubic root of 5606681623 is about 1776.5139894208.

The spelling of 5606681623 in words is "five billion, six hundred six million, six hundred eighty-one thousand, six hundred twenty-three".