664569206030 has 16 divisors (see below), whose sum is σ = 1196286401520. Its totient is φ = 265813942272.

The previous prime is 664569206017. The next prime is 664569206033. The reversal of 664569206030 is 30602965466.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664569206033) 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, 1513220 + ... + 1902359.

It is an arithmetic number, because the mean of its divisors is an integer number (74767900095).

Almost surely, 2^664569206030 is an apocalyptic number.

664569206030 is a deficient number, since it is larger than the sum of its proper divisors (531717195490).

664569206030 is a wasteful number, since it uses less digits than its factorization.

664569206030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435043.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 664569206030 in words is "six hundred sixty-four billion, five hundred sixty-nine million, two hundred six thousand, thirty".