16421027347 has 8 divisors (see below), whose sum is σ = 16511048640. Its totient is φ = 16331165760.

The previous prime is 16421027333. The next prime is 16421027377. The reversal of 16421027347 is 74372012461.

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 16421027347 - 2¹⁹ = 16420503059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16421027317) 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, 169263 + ... + 247975.

It is an arithmetic number, because the mean of its divisors is an integer number (2063881080).

Almost surely, 2^16421027347 is an apocalyptic number.

16421027347 is a deficient number, since it is larger than the sum of its proper divisors (90021293).

16421027347 is an equidigital number, since it uses as much as digits as its factorization.

16421027347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79853.

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 16421027347 in words is "sixteen billion, four hundred twenty-one million, twenty-seven thousand, three hundred forty-seven".