1118166819 has 48 divisors (see below), whose sum is σ = 1920387456. Its totient is φ = 572140800.

The previous prime is 1118166809. The next prime is 1118166839. The reversal of 1118166819 is 9186618111.

1118166819 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1118166819 - 2⁷ = 1118166691 is a prime.

It is a super-2 number, since 2×1118166819² = 2500594070225157522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1118166809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103179 + ... + 113499.

It is an arithmetic number, because the mean of its divisors is an integer number (40008072).

Almost surely, 2^1118166819 is an apocalyptic number.

1118166819 is a deficient number, since it is larger than the sum of its proper divisors (802220637).

1118166819 is a wasteful number, since it uses less digits than its factorization.

1118166819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416 (or 10409 counting only the distinct ones).

The product of its digits is 20736, while the sum is 42.

The square root of 1118166819 is about 33439.0014653548. The cubic root of 1118166819 is about 1037.9319168223.

The spelling of 1118166819 in words is "one billion, one hundred eighteen million, one hundred sixty-six thousand, eight hundred nineteen".