16214641 has 4 divisors (see below), whose sum is σ = 16375284. Its totient is φ = 16054000.

The previous prime is 16214633. The next prime is 16214659. The reversal of 16214641 is 14641261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14641261 = 1667 ⋅8783.

It can be written as a sum of positive squares in 2 ways, for example, as 13395600 + 2819041 = 3660^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 16214641 - 2³ = 16214633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16214441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80170 + ... + 80371.

It is an arithmetic number, because the mean of its divisors is an integer number (4093821).

Almost surely, 2^16214641 is an apocalyptic number.

It is an amenable number.

16214641 is a deficient number, since it is larger than the sum of its proper divisors (160643).

16214641 is a wasteful number, since it uses less digits than its factorization.

16214641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160642.

The product of its digits is 1152, while the sum is 25.

The square root of 16214641 is about 4026.7407415924. The cubic root of 16214641 is about 253.1060031671.

The spelling of 16214641 in words is "sixteen million, two hundred fourteen thousand, six hundred forty-one".