664570241310002 has 4 divisors (see below), whose sum is σ = 996855361965006. Its totient is φ = 332285120655000.

The previous prime is 664570241309983. The next prime is 664570241310083. The reversal of 664570241310002 is 200013142075466.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 460348392744361 + 204221848565641 = 21455731^2 + 14290621^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166142560327499 + ... + 166142560327502.

Almost surely, 2^{664570241310002} is an apocalyptic number.

664570241310002 is a deficient number, since it is larger than the sum of its proper divisors (332285120655004).

664570241310002 is a wasteful number, since it uses less digits than its factorization.

664570241310002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332285120655003.

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 664570241310002 its reverse (200013142075466), we get a palindrome (864583383385468).

The spelling of 664570241310002 in words is "six hundred sixty-four trillion, five hundred seventy billion, two hundred forty-one million, three hundred ten thousand, two".