16141621 has 8 divisors (see below), whose sum is σ = 17058080. Its totient is φ = 15231888.

The previous prime is 16141597. The next prime is 16141649. The reversal of 16141621 is 12614161.

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 16141621 - 2⁷ = 16141493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16141592 and 16141601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16141651) 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, 3730 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (2132260).

Almost surely, 2^16141621 is an apocalyptic number.

It is an amenable number.

16141621 is a deficient number, since it is larger than the sum of its proper divisors (916459).

16141621 is a wasteful number, since it uses less digits than its factorization.

16141621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363.

The product of its digits is 288, while the sum is 22.

The square root of 16141621 is about 4017.6636245460. The cubic root of 16141621 is about 252.7254908217.

Adding to 16141621 its reverse (12614161), we get a palindrome (28755782).

The spelling of 16141621 in words is "sixteen million, one hundred forty-one thousand, six hundred twenty-one".