16204641 has 8 divisors (see below), whose sum is σ = 21640224. Its totient is φ = 10786080.

The previous prime is 16204637. The next prime is 16204651. The reversal of 16204641 is 14640261.

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

It is not a de Polignac number, because 16204641 - 2² = 16204637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16204651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 5981.

It is an arithmetic number, because the mean of its divisors is an integer number (2705028).

Almost surely, 2^16204641 is an apocalyptic number.

It is an amenable number.

16204641 is a deficient number, since it is larger than the sum of its proper divisors (5435583).

16204641 is an equidigital number, since it uses as much as digits as its factorization.

16204641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 16204641 is about 4025.4988510742. The cubic root of 16204641 is about 253.0539600674.

The spelling of 16204641 in words is "sixteen million, two hundred four thousand, six hundred forty-one".