664610510003 has 16 divisors (see below), whose sum is σ = 746575349760. Its totient is φ = 591336181480.

The previous prime is 664610509993. The next prime is 664610510009. The reversal of 664610510003 is 300015016466.

It is not a de Polignac number, because 664610510003 - 2²⁴ = 664593732787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664610510009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5249483 + ... + 5374596.

It is an arithmetic number, because the mean of its divisors is an integer number (46660959360).

Almost surely, 2^664610510003 is an apocalyptic number.

664610510003 is a deficient number, since it is larger than the sum of its proper divisors (81964839757).

664610510003 is a wasteful number, since it uses less digits than its factorization.

664610510003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10624159 (or 10624137 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 664610510003 its reverse (300015016466), we get a palindrome (964625526469).

The spelling of 664610510003 in words is "six hundred sixty-four billion, six hundred ten million, five hundred ten thousand, three".