1098120066 has 32 divisors (see below), whose sum is σ = 2354883840. Its totient is φ = 340144896.

The previous prime is 1098120059. The next prime is 1098120131. The reversal of 1098120066 is 6600218901.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60081 + ... + 76196.

It is an arithmetic number, because the mean of its divisors is an integer number (73590120).

Almost surely, 2^1098120066 is an apocalyptic number.

1098120066 is an abundant number, since it is smaller than the sum of its proper divisors (1256763774).

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

1098120066 is a wasteful number, since it uses less digits than its factorization.

1098120066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136378.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1098120066 is about 33137.8947128510. The cubic root of 1098120066 is about 1031.6917139221.

Adding to 1098120066 its reverse (6600218901), we get a palindrome (7698338967).

The spelling of 1098120066 in words is "one billion, ninety-eight million, one hundred twenty thousand, sixty-six".