664732558130 has 16 divisors (see below), whose sum is σ = 1207107266904. Its totient is φ = 263539987200.

The previous prime is 664732558097. The next prime is 664732558151. The reversal of 664732558130 is 31855237466.

It can be written as a sum of positive squares in 4 ways, for example, as 379910744161 + 284821813969 = 616369^2 + 533687^2 .

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 7 ways as a sum of consecutive naturals, for example, 294128321 + ... + 294130580.

Almost surely, 2^664732558130 is an apocalyptic number.

664732558130 is a deficient number, since it is larger than the sum of its proper divisors (542374708774).

664732558130 is a wasteful number, since it uses less digits than its factorization.

664732558130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588259021.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 664732558130 in words is "six hundred sixty-four billion, seven hundred thirty-two million, five hundred fifty-eight thousand, one hundred thirty".