1101993198 has 32 divisors (see below), whose sum is σ = 2321481600. Its totient is φ = 347773536.

The previous prime is 1101993157. The next prime is 1101993229. The reversal of 1101993198 is 8913991011.

It is a happy number.

1101993198 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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, 329965 + ... + 333287.

It is an arithmetic number, because the mean of its divisors is an integer number (72546300).

Almost surely, 2^1101993198 is an apocalyptic number.

1101993198 is an abundant number, since it is smaller than the sum of its proper divisors (1219488402).

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

1101993198 is a wasteful number, since it uses less digits than its factorization.

1101993198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256.

The product of its (nonzero) digits is 17496, while the sum is 42.

The square root of 1101993198 is about 33196.2828943242. The cubic root of 1101993198 is about 1032.9032358076.

The spelling of 1101993198 in words is "one billion, one hundred one million, nine hundred ninety-three thousand, one hundred ninety-eight".