664064126510 has 16 divisors (see below), whose sum is σ = 1195534890000. Its totient is φ = 265576881216.

The previous prime is 664064126503. The next prime is 664064126563. The reversal of 664064126510 is 15621460466.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6038960 + ... + 6147939.

It is an arithmetic number, because the mean of its divisors is an integer number (74720930625).

Almost surely, 2^664064126510 is an apocalyptic number.

664064126510 is a deficient number, since it is larger than the sum of its proper divisors (531470763490).

664064126510 is a wasteful number, since it uses less digits than its factorization.

664064126510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192355.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 664064126510 its reverse (15621460466), we get a palindrome (679685586976).

The spelling of 664064126510 in words is "six hundred sixty-four billion, sixty-four million, one hundred twenty-six thousand, five hundred ten".