662105620 has 48 divisors (see below), whose sum is σ = 1537639488. Its totient is φ = 237461760.

The previous prime is 662105617. The next prime is 662105629. The reversal of 662105620 is 26501266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662105629) 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 15 ways as a sum of consecutive naturals, for example, 4554 + ... + 36673.

It is an arithmetic number, because the mean of its divisors is an integer number (32034156).

Almost surely, 2^662105620 is an apocalyptic number.

It is an amenable number.

662105620 is an abundant number, since it is smaller than the sum of its proper divisors (875533868).

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

662105620 is a wasteful number, since it uses less digits than its factorization.

662105620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41320 (or 41318 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 662105620 is about 25731.4130976128. The cubic root of 662105620 is about 871.5836834496.

Adding to 662105620 its reverse (26501266), we get a palindrome (688606886).

The spelling of 662105620 in words is "six hundred sixty-two million, one hundred five thousand, six hundred twenty".