16064406 has 40 divisors (see below), whose sum is σ = 36694944. Its totient is φ = 5250960.

The previous prime is 16064393. The next prime is 16064431. The reversal of 16064406 is 60446061.

16064406 is a `hidden beast` number, since 16 + 0 + 644 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16064406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7651 + ... + 9521.

Almost surely, 2^16064406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16064406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18347472).

16064406 is an abundant number, since it is smaller than the sum of its proper divisors (20630538).

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

16064406 is a wasteful number, since it uses less digits than its factorization.

16064406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 16064406 is about 4008.0426644436. The cubic root of 16064406 is about 252.3218676303.

The spelling of 16064406 in words is "sixteen million, sixty-four thousand, four hundred six".