17421560116 has 12 divisors (see below), whose sum is σ = 30601069380. Its totient is φ = 8678397440.

The previous prime is 17421560111. The next prime is 17421560129. The reversal of 17421560116 is 61106512471.

It can be written as a sum of positive squares in 2 ways, for example, as 775399716 + 16646160400 = 27846^2 + 129020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17421560111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8094445 + ... + 8096596.

It is an arithmetic number, because the mean of its divisors is an integer number (2550089115).

Almost surely, 2^17421560116 is an apocalyptic number.

It is an amenable number.

17421560116 is a deficient number, since it is larger than the sum of its proper divisors (13179509264).

17421560116 is a wasteful number, since it uses less digits than its factorization.

17421560116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16191314 (or 16191312 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 17421560116 in words is "seventeen billion, four hundred twenty-one million, five hundred sixty thousand, one hundred sixteen".