665707629248 has 28 divisors (see below), whose sum is σ = 1321120621152. Its totient is φ = 332826842880.

The previous prime is 665707629221. The next prime is 665707629277. The reversal of 665707629248 is 842926707566.

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 3 ways as a sum of consecutive naturals, for example, 386558 + ... + 1216898.

Almost surely, 2^665707629248 is an apocalyptic number.

It is an amenable number.

665707629248 is a deficient number, since it is larger than the sum of its proper divisors (655412991904).

665707629248 is a wasteful number, since it uses less digits than its factorization.

665707629248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842880 (or 842870 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 665707629248 in words is "six hundred sixty-five billion, seven hundred seven million, six hundred twenty-nine thousand, two hundred forty-eight".