16652503563 has 8 divisors (see below), whose sum is σ = 22208522448. Its totient is φ = 11099076864.

The previous prime is 16652503547. The next prime is 16652503597. The reversal of 16652503563 is 36530525661.

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

It is not a de Polignac number, because 16652503563 - 2⁴ = 16652503547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16652703563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633006 + ... + 658787.

It is an arithmetic number, because the mean of its divisors is an integer number (2776065306).

Almost surely, 2^16652503563 is an apocalyptic number.

16652503563 is a deficient number, since it is larger than the sum of its proper divisors (5556018885).

16652503563 is a wasteful number, since it uses less digits than its factorization.

16652503563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296093.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 16652503563 in words is "sixteen billion, six hundred fifty-two million, five hundred three thousand, five hundred sixty-three".