17000017172 has 12 divisors (see below), whose sum is σ = 30108464736. Its totient is φ = 8397598680.

The previous prime is 17000017159. The next prime is 17000017183. The reversal of 17000017172 is 27171000071.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25602104 + ... + 25602767.

It is an arithmetic number, because the mean of its divisors is an integer number (2509038728).

Almost surely, 2^17000017172 is an apocalyptic number.

It is an amenable number.

17000017172 is a deficient number, since it is larger than the sum of its proper divisors (13108447564).

17000017172 is a wasteful number, since it uses less digits than its factorization.

17000017172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51204958 (or 51204956 counting only the distinct ones).

The product of its (nonzero) digits is 686, while the sum is 26.

The spelling of 17000017172 in words is "seventeen billion, seventeen thousand, one hundred seventy-two".