18050616 has 24 divisors (see below), whose sum is σ = 48887280. Its totient is φ = 6016848.

The previous prime is 18050611. The next prime is 18050623. The reversal of 18050616 is 61605081.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 18050616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18050611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125280 + ... + 125423.

It is an arithmetic number, because the mean of its divisors is an integer number (2036970).

Almost surely, 2^18050616 is an apocalyptic number.

It is an amenable number.

18050616 is an abundant number, since it is smaller than the sum of its proper divisors (30836664).

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

18050616 is a wasteful number, since it uses less digits than its factorization.

18050616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250715 (or 250708 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 18050616 is about 4248.6016523087. The cubic root of 18050616 is about 262.3195603499.

Adding to 18050616 its reverse (61605081), we get a palindrome (79655697).

The spelling of 18050616 in words is "eighteen million, fifty thousand, six hundred sixteen".