16166406 has 8 divisors (see below), whose sum is σ = 32332824. Its totient is φ = 5388800.

The previous prime is 16166393. The next prime is 16166417. The reversal of 16166406 is 60466161.

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

16166406 is an admirable number.

It is a super-2 number, since 2×16166406² = 522705365913672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1347195 + ... + 1347206.

It is an arithmetic number, because the mean of its divisors is an integer number (4041603).

Almost surely, 2^16166406 is an apocalyptic number.

16166406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16166406 is a wasteful number, since it uses less digits than its factorization.

16166406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694406.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16166406 is about 4020.7469455314. The cubic root of 16166406 is about 252.8547756079.

The spelling of 16166406 in words is "sixteen million, one hundred sixty-six thousand, four hundred six".