16304376728645 has 8 divisors (see below), whose sum is σ = 19565286334080. Its totient is φ = 13043478543120.

The previous prime is 16304376728609. The next prime is 16304376728659. The reversal of 16304376728645 is 54682767340361.

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

It is not a de Polignac number, because 16304376728645 - 2¹⁶ = 16304376663109 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 685040 + ... + 5751350.

It is an arithmetic number, because the mean of its divisors is an integer number (2445660791760).

Almost surely, 2^{16304376728645} is an apocalyptic number.

It is an amenable number.

16304376728645 is a deficient number, since it is larger than the sum of its proper divisors (3260909605435).

16304376728645 is an equidigital number, since it uses as much as digits as its factorization.

16304376728645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709955.

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 16304376728645 in words is "sixteen trillion, three hundred four billion, three hundred seventy-six million, seven hundred twenty-eight thousand, six hundred forty-five".