662021364372 has 48 divisors (see below), whose sum is σ = 1571271432192. Its totient is φ = 216885905280.

The previous prime is 662021364371. The next prime is 662021364413. The reversal of 662021364372 is 273463120266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662021364371) 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, 580653 + ... + 1288875.

It is an arithmetic number, because the mean of its divisors is an integer number (32734821504).

Almost surely, 2^662021364372 is an apocalyptic number.

It is an amenable number.

662021364372 is an abundant number, since it is smaller than the sum of its proper divisors (909250067820).

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

662021364372 is a wasteful number, since it uses less digits than its factorization.

662021364372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709568 (or 709566 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 662021364372 in words is "six hundred sixty-two billion, twenty-one million, three hundred sixty-four thousand, three hundred seventy-two".