16065055401 has 4 divisors (see below), whose sum is σ = 21420073872. Its totient is φ = 10710036932.

The previous prime is 16065055339. The next prime is 16065055417. The reversal of 16065055401 is 10455056061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16065055401 - 2¹⁷ = 16064924329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16065055451) 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 3 ways as a sum of consecutive naturals, for example, 2677509231 + ... + 2677509236.

It is an arithmetic number, because the mean of its divisors is an integer number (5355018468).

Almost surely, 2^16065055401 is an apocalyptic number.

It is an amenable number.

16065055401 is a deficient number, since it is larger than the sum of its proper divisors (5355018471).

16065055401 is an equidigital number, since it uses as much as digits as its factorization.

16065055401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5355018470.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 16065055401 in words is "sixteen billion, sixty-five million, fifty-five thousand, four hundred one".