1099402545168 has 200 divisors, whose sum is σ = 3298875465600. Its totient is φ = 353060902656.

The previous prime is 1099402545097. The next prime is 1099402545179. The reversal of 1099402545168 is 8615452049901.

1099402545168 is a `hidden beast` number, since 1 + 0 + 9 + 94 + 0 + 2 + 545 + 1 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17369803 + ... + 17432981.

It is an arithmetic number, because the mean of its divisors is an integer number (16494377328).

Almost surely, 2^{1099402545168} is an apocalyptic number.

1099402545168 is a gapful number since it is divisible by the number (18) 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 1099402545168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649437732800).

1099402545168 is an abundant number, since it is smaller than the sum of its proper divisors (2199472920432).

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

1099402545168 is a wasteful number, since it uses less digits than its factorization.

1099402545168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63691 (or 63676 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 1099402545168 in words is "one trillion, ninety-nine billion, four hundred two million, five hundred forty-five thousand, one hundred sixty-eight".