16404564355 has 8 divisors (see below), whose sum is σ = 19705756464. Its totient is φ = 13110132000.

The previous prime is 16404564353. The next prime is 16404564359. The reversal of 16404564355 is 55346540461.

16404564355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16404564355 - 2¹ = 16404564353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16404564353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1684596 + ... + 1694305.

It is an arithmetic number, because the mean of its divisors is an integer number (2463219558).

Almost surely, 2^16404564355 is an apocalyptic number.

16404564355 is a deficient number, since it is larger than the sum of its proper divisors (3301192109).

16404564355 is an equidigital number, since it uses as much as digits as its factorization.

16404564355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379877.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 16404564355 in words is "sixteen billion, four hundred four million, five hundred sixty-four thousand, three hundred fifty-five".