16193160722 has 54 divisors (see below), whose sum is σ = 26529218037. Its totient is φ = 7411555008.

The previous prime is 16193160721. The next prime is 16193160727. The reversal of 16193160722 is 22706139161.

It can be written as a sum of positive squares in 2 ways, for example, as 14820384121 + 1372776601 = 121739^2 + 37051^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=89981.

It is a super-2 number, since 2×16193160722² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16193160721) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 204976679 + ... + 204976757.

Almost surely, 2^16193160722 is an apocalyptic number.

16193160722 is a deficient number, since it is larger than the sum of its proper divisors (10336057315).

16193160722 is an frugal number, since it uses more digits than its factorization.

16193160722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

Adding to 16193160722 its reverse (22706139161), we get a palindrome (38899299883).

The spelling of 16193160722 in words is "sixteen billion, one hundred ninety-three million, one hundred sixty thousand, seven hundred twenty-two".