16406676 has 72 divisors (see below), whose sum is σ = 48738144. Its totient is φ = 4587840.

The previous prime is 16406653. The next prime is 16406701. The reversal of 16406676 is 67660461.

16406676 is a `hidden beast` number, since 1 + 640 + 6 + 6 + 7 + 6 = 666.

16406676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16406676.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 6741.

Almost surely, 2^16406676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16406676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24369072).

16406676 is an abundant number, since it is smaller than the sum of its proper divisors (32331468).

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

16406676 is a wasteful number, since it uses less digits than its factorization.

16406676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221 (or 3216 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 16406676 is about 4050.5155227452. The cubic root of 16406676 is about 254.1012884728.

The spelling of 16406676 in words is "sixteen million, four hundred six thousand, six hundred seventy-six".