16200165105 has 32 divisors (see below), whose sum is σ = 28983772800. Its totient is φ = 8585044416.

The previous prime is 16200165077. The next prime is 16200165131. The reversal of 16200165105 is 50156100261.

It is a happy number.

16200165105 is a `hidden beast` number, since 1 + 6 + 2 + 0 + 0 + 1 + 651 + 0 + 5 = 666.

It is not a de Polignac number, because 16200165105 - 2⁶ = 16200165041 is a prime.

It is a super-2 number, since 2×16200165105² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360975 + ... + 403364.

It is an arithmetic number, because the mean of its divisors is an integer number (905742900).

Almost surely, 2^16200165105 is an apocalyptic number.

16200165105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16200165105 is a deficient number, since it is larger than the sum of its proper divisors (12783607695).

16200165105 is a wasteful number, since it uses less digits than its factorization.

16200165105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764510 (or 764504 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 16200165105 its reverse (50156100261), we get a palindrome (66356265366).

The spelling of 16200165105 in words is "sixteen billion, two hundred million, one hundred sixty-five thousand, one hundred five".