406166443 has 8 divisors (see below), whose sum is σ = 414711360. Its totient is φ = 397677000.

The previous prime is 406166429. The next prime is 406166461. The reversal of 406166443 is 344661604.

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 406166443 - 2¹³ = 406158251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406166399 and 406166408.

It is not an unprimeable number, because it can be changed into a prime (406166483) 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, 1096 + ... + 28522.

It is an arithmetic number, because the mean of its divisors is an integer number (51838920).

Almost surely, 2^406166443 is an apocalyptic number.

406166443 is a deficient number, since it is larger than the sum of its proper divisors (8544917).

406166443 is a wasteful number, since it uses less digits than its factorization.

406166443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27737.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 406166443 is about 20153.5714700894. The cubic root of 406166443 is about 740.5732367414.

The spelling of 406166443 in words is "four hundred six million, one hundred sixty-six thousand, four hundred forty-three".