1608643122 has 16 divisors (see below), whose sum is σ = 3406538592. Its totient is φ = 504672320.

The previous prime is 1608643093. The next prime is 1608643123. The reversal of 1608643122 is 2213468061.

It is not an unprimeable number, because it can be changed into a prime (1608643123) 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, 7885404 + ... + 7885607.

It is an arithmetic number, because the mean of its divisors is an integer number (212908662).

Almost surely, 2^1608643122 is an apocalyptic number.

1608643122 is an abundant number, since it is smaller than the sum of its proper divisors (1797895470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1608643122 is a wasteful number, since it uses less digits than its factorization.

1608643122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771033.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1608643122 is about 40107.8935123748. The cubic root of 1608643122 is about 1171.7093678626.

The spelling of 1608643122 in words is "one billion, six hundred eight million, six hundred forty-three thousand, one hundred twenty-two".