662180450000 has 120 divisors (see below), whose sum is σ = 1618341028920. Its totient is φ = 262440000000.

The previous prime is 662180449999. The next prime is 662180450047. The reversal of 662180450000 is 54081266.

It can be written as a sum of positive squares in 12 ways, for example, as 644943911056 + 17236538944 = 803084^2 + 131288^2 .

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 23 ways as a sum of consecutive naturals, for example, 5389250 + ... + 5510750.

It is an arithmetic number, because the mean of its divisors is an integer number (13486175241).

Almost surely, 2^662180450000 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 662180450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809170514460).

662180450000 is an abundant number, since it is smaller than the sum of its proper divisors (956160578920).

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

662180450000 is a wasteful number, since it uses less digits than its factorization.

662180450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121643 (or 121617 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 662180450000 in words is "six hundred sixty-two billion, one hundred eighty million, four hundred fifty thousand".