17983080521 has 8 divisors (see below), whose sum is σ = 20555772864. Its totient is φ = 15411308400.

The previous prime is 17983080517. The next prime is 17983080527. The reversal of 17983080521 is 12508038971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17983080521 - 2² = 17983080517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (17983080527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187655 + ... + 266796.

It is an arithmetic number, because the mean of its divisors is an integer number (2569471608).

Almost surely, 2^17983080521 is an apocalyptic number.

It is an amenable number.

17983080521 is a deficient number, since it is larger than the sum of its proper divisors (2572692343).

17983080521 is an equidigital number, since it uses as much as digits as its factorization.

17983080521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460111.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 17983080521 in words is "seventeen billion, nine hundred eighty-three million, eighty thousand, five hundred twenty-one".