1116671998 has 16 divisors (see below), whose sum is σ = 1806695856. Its totient is φ = 514575360.

The previous prime is 1116671891. The next prime is 1116672017. The reversal of 1116671998 is 8991766111.

It is a super-2 number, since 2×1116671998² = 2493912702234624008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16836 + ... + 50167.

It is an arithmetic number, because the mean of its divisors is an integer number (112918491).

Almost surely, 2^1116671998 is an apocalyptic number.

1116671998 is a deficient number, since it is larger than the sum of its proper divisors (690023858).

1116671998 is a wasteful number, since it uses less digits than its factorization.

1116671998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67659.

The product of its digits is 163296, while the sum is 49.

The square root of 1116671998 is about 33416.6425303321. The cubic root of 1116671998 is about 1037.4691908982.

The spelling of 1116671998 in words is "one billion, one hundred sixteen million, six hundred seventy-one thousand, nine hundred ninety-eight".