16347720489 has 8 divisors (see below), whose sum is σ = 23079134880. Its totient is φ = 10257393216.

The previous prime is 16347720481. The next prime is 16347720491. The reversal of 16347720489 is 98402774361.

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

It is not a de Polignac number, because 16347720489 - 2³ = 16347720481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 320543539 = 16347720489 / (1 + 6 + 3 + 4 + 7 + 7 + 2 + 0 + 4 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (16347720481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160271719 + ... + 160271820.

It is an arithmetic number, because the mean of its divisors is an integer number (2884891860).

Almost surely, 2^16347720489 is an apocalyptic number.

It is an amenable number.

16347720489 is a deficient number, since it is larger than the sum of its proper divisors (6731414391).

16347720489 is a wasteful number, since it uses less digits than its factorization.

16347720489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320543559.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 16347720489 in words is "sixteen billion, three hundred forty-seven million, seven hundred twenty thousand, four hundred eighty-nine".