662040308128 has 12 divisors (see below), whose sum is σ = 1303391856690. Its totient is φ = 331020154048.

The previous prime is 662040308119. The next prime is 662040308173. The reversal of 662040308128 is 821803040266.

It can be written as a sum of positive squares in only one way, i.e., 540007461904 + 122032846224 = 734852^2 + 349332^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10344379783 + ... + 10344379846.

Almost surely, 2^662040308128 is an apocalyptic number.

It is an amenable number.

662040308128 is a deficient number, since it is larger than the sum of its proper divisors (641351548562).

662040308128 is a wasteful number, since it uses less digits than its factorization.

662040308128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20688759639 (or 20688759631 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 662040308128 in words is "six hundred sixty-two billion, forty million, three hundred eight thousand, one hundred twenty-eight".