16421141 has 16 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 14421120.

The previous prime is 16421129. The next prime is 16421147. The reversal of 16421141 is 14112461.

16421141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16421141 - 2¹⁴ = 16404757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16421147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70361 + ... + 70593.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300).

Almost surely, 2^16421141 is an apocalyptic number.

16421141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16421141 is a deficient number, since it is larger than the sum of its proper divisors (2111659).

16421141 is a wasteful number, since it uses less digits than its factorization.

16421141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436.

The product of its digits is 192, while the sum is 20.

The square root of 16421141 is about 4052.3007045381. The cubic root of 16421141 is about 254.1759429503.

The spelling of 16421141 in words is "sixteen million, four hundred twenty-one thousand, one hundred forty-one".