1608225841 has 8 divisors (see below), whose sum is σ = 1612679040. Its totient is φ = 1603780272.

The previous prime is 1608225793. The next prime is 1608225847. The reversal of 1608225841 is 1485228061.

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-1608225841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1608225841.

It is not an unprimeable number, because it can be changed into a prime (1608225847) 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, 814131 + ... + 816103.

It is an arithmetic number, because the mean of its divisors is an integer number (201584880).

Almost surely, 2^1608225841 is an apocalyptic number.

It is an amenable number.

1608225841 is a deficient number, since it is larger than the sum of its proper divisors (4453199).

1608225841 is a wasteful number, since it uses less digits than its factorization.

1608225841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1608225841 is about 40102.6911939835. The cubic root of 1608225841 is about 1171.6080455468.

The spelling of 1608225841 in words is "one billion, six hundred eight million, two hundred twenty-five thousand, eight hundred forty-one".