17070764157 has 12 divisors (see below), whose sum is σ = 24689845180. Its totient is φ = 11365705728.

The previous prime is 17070764153. The next prime is 17070764159. The reversal of 17070764157 is 75146707071.

It can be written as a sum of positive squares in 2 ways, for example, as 12806543556 + 4264220601 = 113166^2 + 65301^2 .

It is not a de Polignac number, because 17070764157 - 2² = 17070764153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17070764153) 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 in 11 ways as a sum of consecutive naturals, for example, 1226338 + ... + 1240179.

Almost surely, 2^17070764157 is an apocalyptic number.

It is an amenable number.

17070764157 is a deficient number, since it is larger than the sum of its proper divisors (7619081023).

17070764157 is a wasteful number, since it uses less digits than its factorization.

17070764157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467292 (or 2467289 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 45.

The spelling of 17070764157 in words is "seventeen billion, seventy million, seven hundred sixty-four thousand, one hundred fifty-seven".