16463607503 has 8 divisors (see below), whose sum is σ = 19422504960. Its totient is φ = 13656448440.

The previous prime is 16463607473. The next prime is 16463607509. The reversal of 16463607503 is 30570636461.

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

It is a cyclic number.

It is not a de Polignac number, because 16463607503 - 2¹⁰ = 16463606479 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 (16463607509) 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, 37934363 + ... + 37934796.

It is an arithmetic number, because the mean of its divisors is an integer number (2427813120).

Almost surely, 2^16463607503 is an apocalyptic number.

16463607503 is a deficient number, since it is larger than the sum of its proper divisors (2958897457).

16463607503 is an equidigital number, since it uses as much as digits as its factorization.

16463607503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75869197.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 16463607503 in words is "sixteen billion, four hundred sixty-three million, six hundred seven thousand, five hundred three".