16194020 has 12 divisors (see below), whose sum is σ = 34007484. Its totient is φ = 6477600.

The previous prime is 16194007. The next prime is 16194029. The reversal of 16194020 is 2049161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5683456 + 10510564 = 2384^2 + 3242^2 .

It is not an unprimeable number, because it can be changed into a prime (16194029) 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, 404831 + ... + 404870.

It is an arithmetic number, because the mean of its divisors is an integer number (2833957).

Almost surely, 2^16194020 is an apocalyptic number.

16194020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16194020 is an abundant number, since it is smaller than the sum of its proper divisors (17813464).

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

16194020 is a wasteful number, since it uses less digits than its factorization.

16194020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809710 (or 809708 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16194020 is about 4024.1794194593. The cubic root of 16194020 is about 252.9986616395.

The spelling of 16194020 in words is "sixteen million, one hundred ninety-four thousand, twenty".