16722211607 has 16 divisors (see below), whose sum is σ = 17158272768. Its totient is φ = 16293072000.

The previous prime is 16722211603. The next prime is 16722211609. The reversal of 16722211607 is 70611222761.

It is a cyclic number.

It is not a de Polignac number, because 16722211607 - 2² = 16722211603 is a prime.

It is a super-2 number, since 2×16722211607² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722211601) 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 15 ways as a sum of consecutive naturals, for example, 2141903 + ... + 2149695.

It is an arithmetic number, because the mean of its divisors is an integer number (1072392048).

Almost surely, 2^16722211607 is an apocalyptic number.

16722211607 is a deficient number, since it is larger than the sum of its proper divisors (436061161).

16722211607 is a wasteful number, since it uses less digits than its factorization.

16722211607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8230.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 16722211607 in words is "sixteen billion, seven hundred twenty-two million, two hundred eleven thousand, six hundred seven".