662066211320 has 16 divisors (see below), whose sum is σ = 1489648975560. Its totient is φ = 264826484512.

The previous prime is 662066211307. The next prime is 662066211361. The reversal of 662066211320 is 23112660266.

It is a happy number.

It is a super-2 number, since 2×662066211320² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8275827602 + ... + 8275827681.

Almost surely, 2^662066211320 is an apocalyptic number.

It is an amenable number.

662066211320 is an abundant number, since it is smaller than the sum of its proper divisors (827582764240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

662066211320 is a wasteful number, since it uses less digits than its factorization.

662066211320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16551655294 (or 16551655290 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

Adding to 662066211320 its reverse (23112660266), we get a palindrome (685178871586).

The spelling of 662066211320 in words is "six hundred sixty-two billion, sixty-six million, two hundred eleven thousand, three hundred twenty".