16380117 has 32 divisors (see below), whose sum is σ = 27283200. Its totient is φ = 9637056.

The previous prime is 16380107. The next prime is 16380139. The reversal of 16380117 is 71108361.

It is not a de Polignac number, because 16380117 - 2⁴ = 16380101 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380107) 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, 7059 + ... + 9087.

It is an arithmetic number, because the mean of its divisors is an integer number (852600).

Almost surely, 2^16380117 is an apocalyptic number.

It is an amenable number.

16380117 is a deficient number, since it is larger than the sum of its proper divisors (10903083).

16380117 is a wasteful number, since it uses less digits than its factorization.

16380117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074 (or 2068 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 16380117 is about 4047.2357233055. The cubic root of 16380117 is about 253.9641020216.

Adding to 16380117 its reverse (71108361), we get a palindrome (87488478).

The spelling of 16380117 in words is "sixteen million, three hundred eighty thousand, one hundred seventeen".