662806756223220 has 48 divisors (see below), whose sum is σ = 2120981619915648. Its totient is φ = 151498687136640.

The previous prime is 662806756223083. The next prime is 662806756223231. The reversal of 662806756223220 is 22322657608266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789055661751 + ... + 789055662590.

It is an arithmetic number, because the mean of its divisors is an integer number (44187117081576).

Almost surely, 2^{662806756223220} is an apocalyptic number.

662806756223220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

662806756223220 is an abundant number, since it is smaller than the sum of its proper divisors (1458174863692428).

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

662806756223220 is a wasteful number, since it uses less digits than its factorization.

662806756223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578111324360 (or 1578111324358 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 57.

The spelling of 662806756223220 in words is "six hundred sixty-two trillion, eight hundred six billion, seven hundred fifty-six million, two hundred twenty-three thousand, two hundred twenty".