664351703596 has 48 divisors (see below), whose sum is σ = 1381576476672. Its totient is φ = 273526300800.

The previous prime is 664351703591. The next prime is 664351703597. The reversal of 664351703596 is 695307153466.

It is not an unprimeable number, because it can be changed into a prime (664351703591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674450 + ... + 2912281.

It is an arithmetic number, because the mean of its divisors is an integer number (28782843264).

Almost surely, 2^664351703596 is an apocalyptic number.

It is an amenable number.

664351703596 is an abundant number, since it is smaller than the sum of its proper divisors (717224773076).

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

664351703596 is a wasteful number, since it uses less digits than its factorization.

664351703596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586910 (or 5586908 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 664351703596 in words is "six hundred sixty-four billion, three hundred fifty-one million, seven hundred three thousand, five hundred ninety-six".