16194040 has 16 divisors (see below), whose sum is σ = 36436680. Its totient is φ = 6477600.

The previous prime is 16194029. The next prime is 16194041. The reversal of 16194040 is 4049161.

It is a junction number, because it is equal to n+sod(n) for n = 16193996 and 16194014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16194041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202386 + ... + 202465.

Almost surely, 2^16194040 is an apocalyptic number.

16194040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16194040 is an abundant number, since it is smaller than the sum of its proper divisors (20242640).

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

16194040 is a wasteful number, since it uses less digits than its factorization.

16194040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404862 (or 404858 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16194040 is about 4024.1819044372. The cubic root of 16194040 is about 252.9987657925.

The spelling of 16194040 in words is "sixteen million, one hundred ninety-four thousand, forty".