16616244 has 24 divisors (see below), whose sum is σ = 39136608. Its totient is φ = 5486560.

The previous prime is 16616221. The next prime is 16616251. The reversal of 16616244 is 44261661.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5187 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (1630692).

Almost surely, 2^16616244 is an apocalyptic number.

It is an amenable number.

16616244 is an abundant number, since it is smaller than the sum of its proper divisors (22520364).

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

16616244 is a wasteful number, since it uses less digits than its factorization.

16616244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055 (or 13053 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 16616244 is about 4076.3027365494. The cubic root of 16616244 is about 255.1786214866.

The spelling of 16616244 in words is "sixteen million, six hundred sixteen thousand, two hundred forty-four".