1918168 has 16 divisors (see below), whose sum is σ = 4110480. Its totient is φ = 822048.

The previous prime is 1918157. The next prime is 1918181. The reversal of 1918168 is 8618191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17071 + ... + 17182.

It is an arithmetic number, because the mean of its divisors is an integer number (256905).

2^1918168 is an apocalyptic number.

It is an amenable number.

1918168 is an abundant number, since it is smaller than the sum of its proper divisors (2192312).

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

1918168 is a wasteful number, since it uses less digits than its factorization.

1918168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34266 (or 34262 counting only the distinct ones).

The product of its digits is 3456, while the sum is 34.

The square root of 1918168 is about 1384.9794222298. The cubic root of 1918168 is about 124.2497567560.

The spelling of 1918168 in words is "one million, nine hundred eighteen thousand, one hundred sixty-eight".