17272016512 has 32 divisors (see below), whose sum is σ = 35058337380. Its totient is φ = 8473061376.

The previous prime is 17272016501. The next prime is 17272016549. The reversal of 17272016512 is 21561027271.

It can be written as a sum of positive squares in 2 ways, for example, as 17144236096 + 127780416 = 130936^2 + 11304^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×17272016512² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1266213 + ... + 1279780.

Almost surely, 2^17272016512 is an apocalyptic number.

It is an amenable number.

17272016512 is an abundant number, since it is smaller than the sum of its proper divisors (17786320868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

17272016512 is an equidigital number, since it uses as much as digits as its factorization.

17272016512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546060 (or 2546048 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 17272016512 in words is "seventeen billion, two hundred seventy-two million, sixteen thousand, five hundred twelve".