1169555898 has 16 divisors (see below), whose sum is σ = 2673270720. Its totient is φ = 334158816.

The previous prime is 1169555897. The next prime is 1169555923. The reversal of 1169555898 is 8985559611.

It is not an unprimeable number, because it can be changed into a prime (1169555897) 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, 13923243 + ... + 13923326.

It is an arithmetic number, because the mean of its divisors is an integer number (167079420).

Almost surely, 2^1169555898 is an apocalyptic number.

1169555898 is an abundant number, since it is smaller than the sum of its proper divisors (1503714822).

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

1169555898 is a wasteful number, since it uses less digits than its factorization.

1169555898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27846581.

The product of its digits is 3888000, while the sum is 57.

The square root of 1169555898 is about 34198.7704164930. The cubic root of 1169555898 is about 1053.5949034166.

The spelling of 1169555898 in words is "one billion, one hundred sixty-nine million, five hundred fifty-five thousand, eight hundred ninety-eight".