16498316499 has 8 divisors (see below), whose sum is σ = 25140291840. Its totient is φ = 9427609416.

The previous prime is 16498316491. The next prime is 16498316501. The reversal of 16498316499 is 99461389461.

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

It is not a de Polignac number, because 16498316499 - 2³ = 16498316491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16498316491) 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, 392817039 + ... + 392817080.

It is an arithmetic number, because the mean of its divisors is an integer number (3142536480).

Almost surely, 2^16498316499 is an apocalyptic number.

16498316499 is a deficient number, since it is larger than the sum of its proper divisors (8641975341).

16498316499 is an equidigital number, since it uses as much as digits as its factorization.

16498316499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785634129.

The product of its digits is 10077696, while the sum is 60.

It can be divided in two parts, 1649831649 and 9, that multiplied together give a palindrome (14848484841).

The spelling of 16498316499 in words is "sixteen billion, four hundred ninety-eight million, three hundred sixteen thousand, four hundred ninety-nine".