16491048567 has 8 divisors (see below), whose sum is σ = 25129216896. Its totient is φ = 9423456312.

The previous prime is 16491048533. The next prime is 16491048583. The reversal of 16491048567 is 76584019461.

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

It is not a de Polignac number, because 16491048567 - 2⁸ = 16491048311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16491048767) 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, 392643993 + ... + 392644034.

It is an arithmetic number, because the mean of its divisors is an integer number (3141152112).

Almost surely, 2^16491048567 is an apocalyptic number.

16491048567 is a deficient number, since it is larger than the sum of its proper divisors (8638168329).

16491048567 is an equidigital number, since it uses as much as digits as its factorization.

16491048567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785288037.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 16491048567 in words is "sixteen billion, four hundred ninety-one million, forty-eight thousand, five hundred sixty-seven".