662006626644 has 24 divisors (see below), whose sum is σ = 1685107777248. Its totient is φ = 200608068640.

The previous prime is 662006626621. The next prime is 662006626651. The reversal of 662006626644 is 446626600266.

It is a junction number, because it is equal to n+sod(n) for n = 662006626593 and 662006626602.

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 7 ways as a sum of consecutive naturals, for example, 2507600727 + ... + 2507600990.

It is an arithmetic number, because the mean of its divisors is an integer number (70212824052).

Almost surely, 2^662006626644 is an apocalyptic number.

It is an amenable number.

662006626644 is an abundant number, since it is smaller than the sum of its proper divisors (1023101150604).

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

662006626644 is a wasteful number, since it uses less digits than its factorization.

662006626644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015201735 (or 5015201733 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 48.

The spelling of 662006626644 in words is "six hundred sixty-two billion, six million, six hundred twenty-six thousand, six hundred forty-four".