1098289221606 has 32 divisors (see below), whose sum is σ = 2569097596800. Its totient is φ = 346828174920.

The previous prime is 1098289221581. The next prime is 1098289221607. The reversal of 1098289221606 is 6061229828901.

It is a happy number.

1098289221606 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 2 + 8 + 9 + 2 + 21 + 606 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098289221607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535227640 + ... + 535229691.

It is an arithmetic number, because the mean of its divisors is an integer number (80284299900).

Almost surely, 2^{1098289221606} is an apocalyptic number.

1098289221606 is an abundant number, since it is smaller than the sum of its proper divisors (1470808375194).

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

1098289221606 is a wasteful number, since it uses less digits than its factorization.

1098289221606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070457361 (or 1070457355 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 1098289221606 in words is "one trillion, ninety-eight billion, two hundred eighty-nine million, two hundred twenty-one thousand, six hundred six".