16164408 has 64 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 4915584.

The previous prime is 16164403. The next prime is 16164409. The reversal of 16164408 is 80446161.

It is a super-2 number, since 2×16164408² = 522576171980928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164403) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31885 + ... + 32387.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^16164408 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 16164408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22014720).

16164408 is an abundant number, since it is smaller than the sum of its proper divisors (27865032).

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

16164408 is a wasteful number, since it uses less digits than its factorization.

16164408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 16164408 is about 4020.4984765574. The cubic root of 16164408 is about 252.8443584367.

The spelling of 16164408 in words is "sixteen million, one hundred sixty-four thousand, four hundred eight".