16440713 has 8 divisors (see below), whose sum is σ = 16923816. Its totient is φ = 15961600.

The previous prime is 16440673. The next prime is 16440727. The reversal of 16440713 is 31704461.

It can be written as a sum of positive squares in 4 ways, for example, as 94864 + 16345849 = 308^2 + 4043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16440713 - 2¹² = 16436617 is a prime.

It is a super-3 number, since 3×16440713³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16440113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (2115477).

Almost surely, 2^16440713 is an apocalyptic number.

It is an amenable number.

16440713 is a deficient number, since it is larger than the sum of its proper divisors (483103).

16440713 is a wasteful number, since it uses less digits than its factorization.

16440713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 16440713 is about 4054.7149098303. The cubic root of 16440713 is about 254.2768851126.

The spelling of 16440713 in words is "sixteen million, four hundred forty thousand, seven hundred thirteen".