1608434867 has 16 divisors (see below), whose sum is σ = 1744619520. Its totient is φ = 1474072992.

The previous prime is 1608434851. The next prime is 1608434869. The reversal of 1608434867 is 7684348061.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1608434867 - 2⁴ = 1608434851 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608434869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1512578 + ... + 1513640.

It is an arithmetic number, because the mean of its divisors is an integer number (109038720).

Almost surely, 2^1608434867 is an apocalyptic number.

1608434867 is a deficient number, since it is larger than the sum of its proper divisors (136184653).

1608434867 is a wasteful number, since it uses less digits than its factorization.

1608434867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 1608434867 is about 40105.2972436310. The cubic root of 1608434867 is about 1171.6588025006.

The spelling of 1608434867 in words is "one billion, six hundred eight million, four hundred thirty-four thousand, eight hundred sixty-seven".