16602120117 has 24 divisors (see below), whose sum is σ = 27699796800. Its totient is φ = 9470014080.

The previous prime is 16602120103. The next prime is 16602120133. The reversal of 16602120117 is 71102120661.

It is a happy number.

It is not a de Polignac number, because 16602120117 - 2⁸ = 16602119861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16602120167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930617 + ... + 4933982.

It is an arithmetic number, because the mean of its divisors is an integer number (1154158200).

Almost surely, 2^16602120117 is an apocalyptic number.

16602120117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

16602120117 is a deficient number, since it is larger than the sum of its proper divisors (11097676683).

16602120117 is a wasteful number, since it uses less digits than its factorization.

16602120117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864633 (or 9864630 counting only the distinct ones).

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

Adding to 16602120117 its reverse (71102120661), we get a palindrome (87704240778).

The spelling of 16602120117 in words is "sixteen billion, six hundred two million, one hundred twenty thousand, one hundred seventeen".