1099421487168 has 28 divisors (see below), whose sum is σ = 2908886018640. Its totient is φ = 366473828992.

The previous prime is 1099421487167. The next prime is 1099421487187. The reversal of 1099421487168 is 8617841249901.

It is not an unprimeable number, because it can be changed into a prime (1099421487167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863076598 + ... + 2863076981.

It is an arithmetic number, because the mean of its divisors is an integer number (103888786380).

Almost surely, 2^{1099421487168} is an apocalyptic number.

It is an amenable number.

1099421487168 is an abundant number, since it is smaller than the sum of its proper divisors (1809464531472).

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

1099421487168 is an equidigital number, since it uses as much as digits as its factorization.

1099421487168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726153594 (or 5726153584 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 1099421487168 in words is "one trillion, ninety-nine billion, four hundred twenty-one million, four hundred eighty-seven thousand, one hundred sixty-eight".