1689160345 has 16 divisors (see below), whose sum is σ = 2055830400. Its totient is φ = 1332221184.

The previous prime is 1689160337. The next prime is 1689160351. The reversal of 1689160345 is 5430619861.

It is a cyclic number.

It is not a de Polignac number, because 1689160345 - 2³ = 1689160337 is a prime.

It is a super-2 number, since 2×1689160345² = 5706525342241038050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109681 + ... + 124129.

It is an arithmetic number, because the mean of its divisors is an integer number (128489400).

Almost surely, 2^1689160345 is an apocalyptic number.

It is an amenable number.

1689160345 is a deficient number, since it is larger than the sum of its proper divisors (366670055).

1689160345 is a wasteful number, since it uses less digits than its factorization.

1689160345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14784.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1689160345 is about 41099.3959201349. The cubic root of 1689160345 is about 1190.9411251932.

The spelling of 1689160345 in words is "one billion, six hundred eighty-nine million, one hundred sixty thousand, three hundred forty-five".