16491927063 has 8 divisors (see below), whose sum is σ = 22157093376. Its totient is φ = 10910689400.

The previous prime is 16491927017. The next prime is 16491927113. The reversal of 16491927063 is 36072919461.

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 16491927063 - 2¹⁴ = 16491910679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16491927563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20981703 + ... + 20982488.

It is an arithmetic number, because the mean of its divisors is an integer number (2769636672).

Almost surely, 2^16491927063 is an apocalyptic number.

16491927063 is a deficient number, since it is larger than the sum of its proper divisors (5665166313).

16491927063 is a wasteful number, since it uses less digits than its factorization.

16491927063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41964325.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 16491927063 in words is "sixteen billion, four hundred ninety-one million, nine hundred twenty-seven thousand, sixty-three".