16168449466 has 64 divisors (see below), whose sum is σ = 27697453056. Its totient is φ = 7025356800.

The previous prime is 16168449463. The next prime is 16168449467. The reversal of 16168449466 is 66494486161.

It is a super-2 number, since 2×16168449466² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16168449463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22239595 + ... + 22240321.

It is an arithmetic number, because the mean of its divisors is an integer number (432772704).

Almost surely, 2^16168449466 is an apocalyptic number.

16168449466 is a deficient number, since it is larger than the sum of its proper divisors (11529003590).

16168449466 is a wasteful number, since it uses less digits than its factorization.

16168449466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its digits is 5971968, while the sum is 55.

The spelling of 16168449466 in words is "sixteen billion, one hundred sixty-eight million, four hundred forty-nine thousand, four hundred sixty-six".