664435456541300 has 36 divisors (see below), whose sum is σ = 1442162526482496. Its totient is φ = 265711954821600.

The previous prime is 664435456541273. The next prime is 664435456541323. The reversal of 664435456541300 is 3145654534466.

664435456541300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777418202 + ... + 778272401.

Almost surely, 2^{664435456541300} is an apocalyptic number.

It is an amenable number.

664435456541300 is an abundant number, since it is smaller than the sum of its proper divisors (777727069941196).

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

664435456541300 is a wasteful number, since it uses less digits than its factorization.

664435456541300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555694888 (or 1555694881 counting only the distinct ones).

The product of its (nonzero) digits is 62208000, while the sum is 56.

The spelling of 664435456541300 in words is "six hundred sixty-four trillion, four hundred thirty-five billion, four hundred fifty-six million, five hundred forty-one thousand, three hundred".