103321166517 has 20 divisors (see below), whose sum is σ = 154846751136. Its totient is φ = 68656393800.

The previous prime is 103321166503. The next prime is 103321166519. The reversal of 103321166517 is 715661123301.

103321166517 is a `hidden beast` number, since 103 + 3 + 21 + 16 + 6 + 517 = 666.

It is not a de Polignac number, because 103321166517 - 2¹² = 103321162421 is a prime.

It is a super-3 number, since 3×103321166517³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103321166519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2052609 + ... + 2102342.

Almost surely, 2^103321166517 is an apocalyptic number.

It is an amenable number.

103321166517 is a deficient number, since it is larger than the sum of its proper divisors (51525584619).

103321166517 is an equidigital number, since it uses as much as digits as its factorization.

103321166517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155270 (or 4155261 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

Adding to 103321166517 its reverse (715661123301), we get a palindrome (818982289818).

The spelling of 103321166517 in words is "one hundred three billion, three hundred twenty-one million, one hundred sixty-six thousand, five hundred seventeen".