16442216540315 has 8 divisors (see below), whose sum is σ = 20211895454688. Its totient is φ = 12832949494720.

The previous prime is 16442216540311. The next prime is 16442216540329. The reversal of 16442216540315 is 51304561224461.

It is a happy number.

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

It is not a de Polignac number, because 16442216540315 - 2² = 16442216540311 is a prime.

It is a super-3 number, since 3×16442216540315³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442216540311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40102966967 + ... + 40102967376.

It is an arithmetic number, because the mean of its divisors is an integer number (2526486931836).

Almost surely, 2^{16442216540315} is an apocalyptic number.

16442216540315 is a deficient number, since it is larger than the sum of its proper divisors (3769678914373).

16442216540315 is an equidigital number, since it uses as much as digits as its factorization.

16442216540315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80205934389.

The product of its (nonzero) digits is 691200, while the sum is 44.

Adding to 16442216540315 its reverse (51304561224461), we get a palindrome (67746777764776).

The spelling of 16442216540315 in words is "sixteen trillion, four hundred forty-two billion, two hundred sixteen million, five hundred forty thousand, three hundred fifteen".