646410696603 has 16 divisors (see below), whose sum is σ = 985018145280. Its totient is φ = 369373277376.

The previous prime is 646410696593. The next prime is 646410696611. The reversal of 646410696603 is 306696014646.

It is not a de Polignac number, because 646410696603 - 2¹² = 646410692507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (646410696703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042343 + ... + 3247871.

It is an arithmetic number, because the mean of its divisors is an integer number (61563634080).

Almost surely, 2^646410696603 is an apocalyptic number.

646410696603 is a deficient number, since it is larger than the sum of its proper divisors (338607448677).

646410696603 is a wasteful number, since it uses less digits than its factorization.

646410696603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355306.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 646410696603 in words is "six hundred forty-six billion, four hundred ten million, six hundred ninety-six thousand, six hundred three".