1099466398992 has 320 divisors, whose sum is σ = 3285489715200. Its totient is φ = 314240532480.

The previous prime is 1099466398991. The next prime is 1099466399149. The reversal of 1099466398992 is 2998936649901.

It is not an unprimeable number, because it can be changed into a prime (1099466398991) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97043184 + ... + 97054512.

It is an arithmetic number, because the mean of its divisors is an integer number (10267155360).

Almost surely, 2^{1099466398992} is an apocalyptic number.

1099466398992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099466398992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642744857600).

1099466398992 is an abundant number, since it is smaller than the sum of its proper divisors (2186023316208).

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

1099466398992 is a wasteful number, since it uses less digits than its factorization.

1099466398992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11586 (or 11580 counting only the distinct ones).

The product of its (nonzero) digits is 408146688, while the sum is 75.

The spelling of 1099466398992 in words is "one trillion, ninety-nine billion, four hundred sixty-six million, three hundred ninety-eight thousand, nine hundred ninety-two".