664558084752 has 40 divisors (see below), whose sum is σ = 1744918913280. Its totient is φ = 217887895680.

The previous prime is 664558084741. The next prime is 664558084753. The reversal of 664558084752 is 257480855466.

It is not an unprimeable number, because it can be changed into a prime (664558084753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113480352 + ... + 113486207.

It is an arithmetic number, because the mean of its divisors is an integer number (43622972832).

Almost surely, 2^664558084752 is an apocalyptic number.

It is an amenable number.

664558084752 is an abundant number, since it is smaller than the sum of its proper divisors (1080360828528).

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

664558084752 is a wasteful number, since it uses less digits than its factorization.

664558084752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226966631 (or 226966625 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 664558084752 in words is "six hundred sixty-four billion, five hundred fifty-eight million, eighty-four thousand, seven hundred fifty-two".