16324641 has 24 divisors (see below), whose sum is σ = 26058240. Its totient is φ = 9795456.

The previous prime is 16324597. The next prime is 16324657. The reversal of 16324641 is 14642361.

16324641 is a `hidden beast` number, since 16 + 3 + 2 + 4 + 641 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-16324641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16324661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200 + ... + 5838.

It is an arithmetic number, because the mean of its divisors is an integer number (1085760).

Almost surely, 2^16324641 is an apocalyptic number.

It is an amenable number.

16324641 is a deficient number, since it is larger than the sum of its proper divisors (9733599).

16324641 is a wasteful number, since it uses less digits than its factorization.

16324641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4682 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 16324641 is about 4040.3763438571. The cubic root of 16324641 is about 253.6770701299.

The spelling of 16324641 in words is "sixteen million, three hundred twenty-four thousand, six hundred forty-one".