662216120 has 32 divisors (see below), whose sum is σ = 1568408400. Its totient is φ = 250944768.

The previous prime is 662216033. The next prime is 662216129. The reversal of 662216120 is 21612266.

It is a self number, because there is not a number n which added to its sum of digits gives 662216120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662216129) 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, 434909 + ... + 436428.

Almost surely, 2^662216120 is an apocalyptic number.

It is an amenable number.

662216120 is an abundant number, since it is smaller than the sum of its proper divisors (906192280).

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

662216120 is a wasteful number, since it uses less digits than its factorization.

662216120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871367 (or 871363 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 662216120 is about 25733.5601889828. The cubic root of 662216120 is about 871.6321674763.

Adding to 662216120 its reverse (21612266), we get a palindrome (683828386).

The spelling of 662216120 in words is "six hundred sixty-two million, two hundred sixteen thousand, one hundred twenty".