172068995345 has 8 divisors (see below), whose sum is σ = 222366086376. Its totient is φ = 127066334976.

The previous prime is 172068995317. The next prime is 172068995419. The reversal of 172068995345 is 543599860271.

It is a happy number.

It is a Cunningham number, because it is equal to 414812²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 172068995344 = 1^2 + 414812^2 .

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 172068995345 - 2³² = 167774028049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323607592 + ... + 1323607721.

It is an arithmetic number, because the mean of its divisors is an integer number (27795760797).

It is a 1-persistent number, because it is pandigital, but 2⋅172068995345 = 344137990690 is not.

Almost surely, 2^172068995345 is an apocalyptic number.

It is an amenable number.

172068995345 is a deficient number, since it is larger than the sum of its proper divisors (50297091031).

172068995345 is a wasteful number, since it uses less digits than its factorization.

172068995345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2647215331.

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 172068995345 in words is "one hundred seventy-two billion, sixty-eight million, nine hundred ninety-five thousand, three hundred forty-five".