6634216406503 has 8 divisors (see below), whose sum is σ = 7589967910272. Its totient is φ = 5680466478456.

The previous prime is 6634216406497. The next prime is 6634216406563. The reversal of 6634216406503 is 3056046124366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6634216406503 - 2⁵ = 6634216406471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6634216406563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500386825 + ... + 500400082.

It is an arithmetic number, because the mean of its divisors is an integer number (948745988784).

Almost surely, 2^{6634216406503} is an apocalyptic number.

6634216406503 is a deficient number, since it is larger than the sum of its proper divisors (955751503769).

6634216406503 is a wasteful number, since it uses less digits than its factorization.

6634216406503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000787861.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 6634216406503 in words is "six trillion, six hundred thirty-four billion, two hundred sixteen million, four hundred six thousand, five hundred three".