16722054117 has 6 divisors (see below), whose sum is σ = 24154078182. Its totient is φ = 11148036072.

The previous prime is 16722054061. The next prime is 16722054121. The reversal of 16722054117 is 71145022761.

16722054117 is a `hidden beast` number, since 16 + 7 + 220 + 5 + 411 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9237900996 + 7484153121 = 96114^2 + 86511^2 .

It is not a de Polignac number, because 16722054117 - 2⁷ = 16722053989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722054127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 929002998 + ... + 929003015.

It is an arithmetic number, because the mean of its divisors is an integer number (4025679697).

Almost surely, 2^16722054117 is an apocalyptic number.

It is an amenable number.

16722054117 is a deficient number, since it is larger than the sum of its proper divisors (7432024065).

16722054117 is a wasteful number, since it uses less digits than its factorization.

16722054117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858006019 (or 1858006016 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 16722054117 its reverse (71145022761), we get a palindrome (87867076878).

The spelling of 16722054117 in words is "sixteen billion, seven hundred twenty-two million, fifty-four thousand, one hundred seventeen".