16320004265 has 16 divisors (see below), whose sum is σ = 19909535616. Its totient is φ = 12839904000.

The previous prime is 16320004249. The next prime is 16320004271. The reversal of 16320004265 is 56240002361.

It is not a de Polignac number, because 16320004265 - 2⁴ = 16320004249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85034 + ... + 199676.

It is an arithmetic number, because the mean of its divisors is an integer number (1244345976).

Almost surely, 2^16320004265 is an apocalyptic number.

It is an amenable number.

16320004265 is a deficient number, since it is larger than the sum of its proper divisors (3589531351).

16320004265 is a wasteful number, since it uses less digits than its factorization.

16320004265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115120.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 16320004265 in words is "sixteen billion, three hundred twenty million, four thousand, two hundred sixty-five".