1118916144 has 60 divisors (see below), whose sum is σ = 3267569136. Its totient is φ = 356754816.

The previous prime is 1118916143. The next prime is 1118916157. The reversal of 1118916144 is 4416198111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1118916099 and 1118916108.

It is not an unprimeable number, because it can be changed into a prime (1118916143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165607 + ... + 172230.

Almost surely, 2^1118916144 is an apocalyptic number.

It is an amenable number.

1118916144 is an abundant number, since it is smaller than the sum of its proper divisors (2148652992).

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

1118916144 is a wasteful number, since it uses less digits than its factorization.

1118916144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337874 (or 337865 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1118916144 is about 33450.2039455666. The cubic root of 1118916144 is about 1038.1637172574.

The spelling of 1118916144 in words is "one billion, one hundred eighteen million, nine hundred sixteen thousand, one hundred forty-four".