664626354203 has 48 divisors (see below), whose sum is σ = 819631749888. Its totient is φ = 536481792000.

The previous prime is 664626354191. The next prime is 664626354229. The reversal of 664626354203 is 302453626466.

It is not a de Polignac number, because 664626354203 - 2¹² = 664626350107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664626354103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24711323 + ... + 24738203.

It is an arithmetic number, because the mean of its divisors is an integer number (17075661456).

Almost surely, 2^664626354203 is an apocalyptic number.

664626354203 is a deficient number, since it is larger than the sum of its proper divisors (155005395685).

664626354203 is a wasteful number, since it uses less digits than its factorization.

664626354203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27364 (or 27357 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 664626354203 in words is "six hundred sixty-four billion, six hundred twenty-six million, three hundred fifty-four thousand, two hundred three".