1099648906 has 32 divisors (see below), whose sum is σ = 1754524800. Its totient is φ = 515828544.

The previous prime is 1099648897. The next prime is 1099648937. The reversal of 1099648906 is 6098469901.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567916 + ... + 569848.

It is an arithmetic number, because the mean of its divisors is an integer number (54828900).

Almost surely, 2^1099648906 is an apocalyptic number.

1099648906 is a deficient number, since it is larger than the sum of its proper divisors (654875894).

1099648906 is a wasteful number, since it uses less digits than its factorization.

1099648906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1099648906 is about 33160.9545399405. The cubic root of 1099648906 is about 1032.1702772985.

The spelling of 1099648906 in words is "one billion, ninety-nine million, six hundred forty-eight thousand, nine hundred six".