1608330667 has 4 divisors (see below), whose sum is σ = 1620994816. Its totient is φ = 1595666520.

The previous prime is 1608330653. The next prime is 1608330673. The reversal of 1608330667 is 7660338061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1608330667 - 2²³ = 1599942059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608330967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6331884 + ... + 6332137.

It is an arithmetic number, because the mean of its divisors is an integer number (405248704).

Almost surely, 2^1608330667 is an apocalyptic number.

1608330667 is a deficient number, since it is larger than the sum of its proper divisors (12664149).

1608330667 is a wasteful number, since it uses less digits than its factorization.

1608330667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12664148.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1608330667 is about 40103.9981423299. The cubic root of 1608330667 is about 1171.6335005780.

The spelling of 1608330667 in words is "one billion, six hundred eight million, three hundred thirty thousand, six hundred sixty-seven".