1611098112 has 192 divisors, whose sum is σ = 4832231040. Its totient is φ = 473628672.

The previous prime is 1611098107. The next prime is 1611098131. The reversal of 1611098112 is 2118901161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 1611098112.

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, 1836618 + ... + 1837494.

It is an arithmetic number, because the mean of its divisors is an integer number (25167870).

Almost surely, 2^1611098112 is an apocalyptic number.

1611098112 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 1611098112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2416115520).

1611098112 is an abundant number, since it is smaller than the sum of its proper divisors (3221132928).

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

1611098112 is a wasteful number, since it uses less digits than its factorization.

1611098112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 30.

The square root of 1611098112 is about 40138.4866680347. The cubic root of 1611098112 is about 1172.3051231017.

Adding to 1611098112 its reverse (2118901161), we get a palindrome (3729999273).

The spelling of 1611098112 in words is "one billion, six hundred eleven million, ninety-eight thousand, one hundred twelve".