16440616 has 16 divisors (see below), whose sum is σ = 30902400. Its totient is φ = 8199984.

The previous prime is 16440601. The next prime is 16440623. The reversal of 16440616 is 61604461.

It is a super-3 number, since 3×16440616³ (a number of 23 digits) contains 333 as substring.

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, 1225 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (1931400).

Almost surely, 2^16440616 is an apocalyptic number.

It is an amenable number.

16440616 is a deficient number, since it is larger than the sum of its proper divisors (14461784).

16440616 is a wasteful number, since it uses less digits than its factorization.

16440616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088 (or 5084 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16440616 is about 4054.7029484291. The cubic root of 16440616 is about 254.2763850348.

The spelling of 16440616 in words is "sixteen million, four hundred forty thousand, six hundred sixteen".