1098289221608 has 32 divisors (see below), whose sum is σ = 2133286053120. Its totient is φ = 529539024000.

The previous prime is 1098289221607. The next prime is 1098289221677. The reversal of 1098289221608 is 8061229828901.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 7810358 + ... + 7949733.

It is an arithmetic number, because the mean of its divisors is an integer number (66665189160).

Almost surely, 2^{1098289221608} is an apocalyptic number.

It is an amenable number.

1098289221608 is a deficient number, since it is larger than the sum of its proper divisors (1034996831512).

1098289221608 is a wasteful number, since it uses less digits than its factorization.

1098289221608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760409 (or 15760405 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 56.

The spelling of 1098289221608 in words is "one trillion, ninety-eight billion, two hundred eighty-nine million, two hundred twenty-one thousand, six hundred eight".