17169748972 has 6 divisors (see below), whose sum is σ = 30047060708. Its totient is φ = 8584874484.

The previous prime is 17169748963. The next prime is 17169748979. The reversal of 17169748972 is 27984796171.

It is a super-2 number, since 2×17169748972² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17169748972.

It is not an unprimeable number, because it can be changed into a prime (17169748979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2146218618 + ... + 2146218625.

Almost surely, 2^17169748972 is an apocalyptic number.

It is an amenable number.

17169748972 is a deficient number, since it is larger than the sum of its proper divisors (12877311736).

17169748972 is a wasteful number, since it uses less digits than its factorization.

17169748972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4292437247 (or 4292437245 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 61.

The spelling of 17169748972 in words is "seventeen billion, one hundred sixty-nine million, seven hundred forty-eight thousand, nine hundred seventy-two".