17120566379 has 8 divisors (see below), whose sum is σ = 20596170240. Its totient is φ = 13902414696.

The previous prime is 17120566339. The next prime is 17120566387. The reversal of 17120566379 is 97366502171.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17120566379 is a prime.

It is a super-2 number, since 2×17120566379² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17120566339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64362899 + ... + 64363164.

It is an arithmetic number, because the mean of its divisors is an integer number (2574521280).

Almost surely, 2^17120566379 is an apocalyptic number.

17120566379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

17120566379 is a deficient number, since it is larger than the sum of its proper divisors (3475603861).

17120566379 is a wasteful number, since it uses less digits than its factorization.

17120566379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128726089.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 17120566379 in words is "seventeen billion, one hundred twenty million, five hundred sixty-six thousand, three hundred seventy-nine".