171264817268 has 6 divisors (see below), whose sum is σ = 299713430226. Its totient is φ = 85632408632.

The previous prime is 171264817253. The next prime is 171264817271. The reversal of 171264817268 is 862718462171.

171264817268 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113850906724 + 57413910544 = 337418^2 + 239612^2 .

It is a super-4 number, since 4×171264817268⁴ (a number of 46 digits) contains 4444 as substring.

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 as a sum of consecutive naturals, namely, 21408102155 + ... + 21408102162.

It is an arithmetic number, because the mean of its divisors is an integer number (49952238371).

Almost surely, 2^171264817268 is an apocalyptic number.

It is an amenable number.

171264817268 is a deficient number, since it is larger than the sum of its proper divisors (128448612958).

171264817268 is a wasteful number, since it uses less digits than its factorization.

171264817268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42816204321 (or 42816204319 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 53.

The spelling of 171264817268 in words is "one hundred seventy-one billion, two hundred sixty-four million, eight hundred seventeen thousand, two hundred sixty-eight".