16405041 has 8 divisors (see below), whose sum is σ = 21893344. Its totient is φ = 10926720.

The previous prime is 16405027. The next prime is 16405057. The reversal of 16405041 is 14050461.

16405041 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16405041 - 2⁹ = 16404529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16404999 and 16405017.

It is not an unprimeable number, because it can be changed into a prime (16405091) 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, 3201 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (2736668).

Almost surely, 2^16405041 is an apocalyptic number.

It is an amenable number.

16405041 is a deficient number, since it is larger than the sum of its proper divisors (5488303).

16405041 is a wasteful number, since it uses less digits than its factorization.

16405041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 16405041 is about 4050.3136915553. The cubic root of 16405041 is about 254.0928474088.

The spelling of 16405041 in words is "sixteen million, four hundred five thousand, forty-one".