1608073617 has 8 divisors (see below), whose sum is σ = 2146319296. Its totient is φ = 1070938512.

The previous prime is 1608073591. The next prime is 1608073667. The reversal of 1608073617 is 7163708061.

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

It is not a de Polignac number, because 1608073617 - 2⁶ = 1608073553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608073667) 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, 274258 + ... + 280059.

It is an arithmetic number, because the mean of its divisors is an integer number (268289912).

Almost surely, 2^1608073617 is an apocalyptic number.

It is an amenable number.

1608073617 is a deficient number, since it is larger than the sum of its proper divisors (538245679).

1608073617 is an equidigital number, since it uses as much as digits as its factorization.

1608073617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555287.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 1608073617 is about 40100.7932215810. The cubic root of 1608073617 is about 1171.5710788294.

The spelling of 1608073617 in words is "one billion, six hundred eight million, seventy-three thousand, six hundred seventeen".