605564211623 has 16 divisors (see below), whose sum is σ = 705576437760. Its totient is φ = 508972074336.

The previous prime is 605564211601. The next prime is 605564211683. The reversal of 605564211623 is 326112465506.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 605564211623 - 2⁸ = 605564211367 is a prime.

It is a super-3 number, since 3×605564211623³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605564211683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1682711 + ... + 2010632.

It is an arithmetic number, because the mean of its divisors is an integer number (44098527360).

Almost surely, 2^605564211623 is an apocalyptic number.

605564211623 is a deficient number, since it is larger than the sum of its proper divisors (100012226137).

605564211623 is a wasteful number, since it uses less digits than its factorization.

605564211623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693806.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 605564211623 in words is "six hundred five billion, five hundred sixty-four million, two hundred eleven thousand, six hundred twenty-three".