1096721608 has 32 divisors (see below), whose sum is σ = 2090448000. Its totient is φ = 539323200.

The previous prime is 1096721603. The next prime is 1096721609. The reversal of 1096721608 is 8061276901.

It is not an unprimeable number, because it can be changed into a prime (1096721603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166783 + ... + 173233.

It is an arithmetic number, because the mean of its divisors is an integer number (65326500).

Almost surely, 2^1096721608 is an apocalyptic number.

It is an amenable number.

1096721608 is a deficient number, since it is larger than the sum of its proper divisors (993726392).

1096721608 is a wasteful number, since it uses less digits than its factorization.

1096721608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6805 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1096721608 is about 33116.7874045778. The cubic root of 1096721608 is about 1031.2535740898.

The spelling of 1096721608 in words is "one billion, ninety-six million, seven hundred twenty-one thousand, six hundred eight".