662623949663 has 8 divisors (see below), whose sum is σ = 713619705456. Its totient is φ = 611631720000.

The previous prime is 662623949641. The next prime is 662623949719. The reversal of 662623949663 is 366949326266.

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 662623949663 - 2¹⁰ = 662623948639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662623949596 and 662623949605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662623942663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484613 + ... + 1249038.

It is an arithmetic number, because the mean of its divisors is an integer number (89202463182).

Almost surely, 2^662623949663 is an apocalyptic number.

662623949663 is a deficient number, since it is larger than the sum of its proper divisors (50995755793).

662623949663 is a wasteful number, since it uses less digits than its factorization.

662623949663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763065.

The product of its digits is 90699264, while the sum is 62.

The spelling of 662623949663 in words is "six hundred sixty-two billion, six hundred twenty-three million, nine hundred forty-nine thousand, six hundred sixty-three".