16322221005 has 16 divisors (see below), whose sum is σ = 26722893120. Its totient is φ = 8502738048.

The previous prime is 16322220983. The next prime is 16322221021. The reversal of 16322221005 is 50012222361.

It is not a de Polignac number, because 16322221005 - 2⁷ = 16322220877 is a prime.

It is a super-3 number, since 3×16322221005³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12652240 + ... + 12653529.

It is an arithmetic number, because the mean of its divisors is an integer number (1670180820).

Almost surely, 2^16322221005 is an apocalyptic number.

16322221005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16322221005 is a deficient number, since it is larger than the sum of its proper divisors (10400672115).

16322221005 is a wasteful number, since it uses less digits than its factorization.

16322221005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25305820.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 16322221005 its reverse (50012222361), we get a palindrome (66334443366).

The spelling of 16322221005 in words is "sixteen billion, three hundred twenty-two million, two hundred twenty-one thousand, five".