662403420511 has 32 divisors (see below), whose sum is σ = 801591137280. Its totient is φ = 535422451200.

The previous prime is 662403420473. The next prime is 662403420517. The reversal of 662403420511 is 115024304266.

It is not a de Polignac number, because 662403420511 - 2¹⁷ = 662403289439 is a prime.

It is a super-2 number, since 2×662403420511² (a number of 24 digits) contains 22 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 (662403420517) 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 31 ways as a sum of consecutive naturals, for example, 1327431 + ... + 1756951.

It is an arithmetic number, because the mean of its divisors is an integer number (25049723040).

Almost surely, 2^662403420511 is an apocalyptic number.

662403420511 is a deficient number, since it is larger than the sum of its proper divisors (139187716769).

662403420511 is a wasteful number, since it uses less digits than its factorization.

662403420511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429735.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 662403420511 its reverse (115024304266), we get a palindrome (777427724777).

The spelling of 662403420511 in words is "six hundred sixty-two billion, four hundred three million, four hundred twenty thousand, five hundred eleven".