1099975648 has 24 divisors (see below), whose sum is σ = 2187024840. Its totient is φ = 544540800.

The previous prime is 1099975637. The next prime is 1099975711. The reversal of 1099975648 is 8465799901.

It is a junction number, because it is equal to n+sod(n) for n = 1099975592 and 1099975601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166938 + ... + 173401.

It is an arithmetic number, because the mean of its divisors is an integer number (91126035).

Almost surely, 2^1099975648 is an apocalyptic number.

It is an amenable number.

1099975648 is a deficient number, since it is larger than the sum of its proper divisors (1087049192).

1099975648 is a wasteful number, since it uses less digits than its factorization.

1099975648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340450 (or 340442 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 58.

The square root of 1099975648 is about 33165.8807813090. The cubic root of 1099975648 is about 1032.2724977985.

The spelling of 1099975648 in words is "one billion, ninety-nine million, nine hundred seventy-five thousand, six hundred forty-eight".