16220434453015 has 16 divisors (see below), whose sum is σ = 21637979064576. Its totient is φ = 11591774496000.

The previous prime is 16220434452983. The next prime is 16220434453037. The reversal of 16220434453015 is 51035443402261.

It is not a de Polignac number, because 16220434453015 - 2⁵ = 16220434452983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4024919686 + ... + 4024923715.

It is an arithmetic number, because the mean of its divisors is an integer number (1352373691536).

Almost surely, 2^{16220434453015} is an apocalyptic number.

16220434453015 is a deficient number, since it is larger than the sum of its proper divisors (5417544611561).

16220434453015 is a wasteful number, since it uses less digits than its factorization.

16220434453015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8049843450.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 16220434453015 its reverse (51035443402261), we get a palindrome (67255877855276).

The spelling of 16220434453015 in words is "sixteen trillion, two hundred twenty billion, four hundred thirty-four million, four hundred fifty-three thousand, fifteen".