662620000 has 120 divisors (see below), whose sum is σ = 1863416016. Its totient is φ = 227136000.

The previous prime is 662619967. The next prime is 662620001. The reversal of 662620000 is 26266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662620001) 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 19 ways as a sum of consecutive naturals, for example, 137634 + ... + 142366.

Almost surely, 2^662620000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662620000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931708008).

662620000 is an abundant number, since it is smaller than the sum of its proper divisors (1200796016).

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

662620000 is an equidigital number, since it uses as much as digits as its factorization.

662620000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 662620000 is about 25741.4063329881. The cubic root of 662620000 is about 871.8093318218.

Adding to 662620000 its reverse (26266), we get a palindrome (662646266).

The spelling of 662620000 in words is "six hundred sixty-two million, six hundred twenty thousand".