1608260904 has 48 divisors (see below), whose sum is σ = 4496219520. Its totient is φ = 518793120.

The previous prime is 1608260903. The next prime is 1608260921. The reversal of 1608260904 is 4090628061.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1608260903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 358042 + ... + 362505.

It is an arithmetic number, because the mean of its divisors is an integer number (93671240).

Almost surely, 2^1608260904 is an apocalyptic number.

It is an amenable number.

1608260904 is an abundant number, since it is smaller than the sum of its proper divisors (2887958616).

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

1608260904 is a wasteful number, since it uses less digits than its factorization.

1608260904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720590 (or 720583 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1608260904 is about 40103.1283567754. The cubic root of 1608260904 is about 1171.6165600629.

Adding to 1608260904 its reverse (4090628061), we get a palindrome (5698888965).

The spelling of 1608260904 in words is "one billion, six hundred eight million, two hundred sixty thousand, nine hundred four".