16440716 has 6 divisors (see below), whose sum is σ = 28771260. Its totient is φ = 8220356.

The previous prime is 16440673. The next prime is 16440727. The reversal of 16440716 is 61704461.

It is a super-3 number, since 3×16440716³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2055086 + ... + 2055093.

It is an arithmetic number, because the mean of its divisors is an integer number (4795210).

Almost surely, 2^16440716 is an apocalyptic number.

It is an amenable number.

16440716 is a deficient number, since it is larger than the sum of its proper divisors (12330544).

16440716 is a wasteful number, since it uses less digits than its factorization.

16440716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110183 (or 4110181 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 16440716 is about 4054.7152797700. The cubic root of 16440716 is about 254.2769005788.

The spelling of 16440716 in words is "sixteen million, four hundred forty thousand, seven hundred sixteen".