1608560109 has 24 divisors (see below), whose sum is σ = 2510307072. Its totient is φ = 986677920.

The previous prime is 1608560099. The next prime is 1608560113. The reversal of 1608560109 is 9010658061.

It is not a de Polignac number, because 1608560109 - 2⁸ = 1608559853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608560119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14284 + ... + 58490.

It is an arithmetic number, because the mean of its divisors is an integer number (104596128).

Almost surely, 2^1608560109 is an apocalyptic number.

It is an amenable number.

1608560109 is a deficient number, since it is larger than the sum of its proper divisors (901746963).

1608560109 is a wasteful number, since it uses less digits than its factorization.

1608560109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44537 (or 44534 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1608560109 is about 40106.8586279205. The cubic root of 1608560109 is about 1171.6892124116.

The spelling of 1608560109 in words is "one billion, six hundred eight million, five hundred sixty thousand, one hundred nine".