16200168945 has 64 divisors (see below), whose sum is σ = 27897053184. Its totient is φ = 8012309760.

The previous prime is 16200168931. The next prime is 16200168953. The reversal of 16200168945 is 54986100261.

It is not a de Polignac number, because 16200168945 - 2²⁰ = 16199120369 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16200168897 and 16200168906.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1052092 + ... + 1067378.

It is an arithmetic number, because the mean of its divisors is an integer number (435891456).

Almost surely, 2^16200168945 is an apocalyptic number.

16200168945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16200168945 is a deficient number, since it is larger than the sum of its proper divisors (11696884239).

16200168945 is a wasteful number, since it uses less digits than its factorization.

16200168945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15422.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 16200168945 in words is "sixteen billion, two hundred million, one hundred sixty-eight thousand, nine hundred forty-five".