16406368 has 48 divisors (see below), whose sum is σ = 35610624. Its totient is φ = 7378560.

The previous prime is 16406363. The next prime is 16406389. The reversal of 16406368 is 86360461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16406363) 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 7 ways as a sum of consecutive naturals, for example, 44521 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (741888).

Almost surely, 2^16406368 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 16406368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17805312).

16406368 is an abundant number, since it is smaller than the sum of its proper divisors (19204256).

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

16406368 is a wasteful number, since it uses less digits than its factorization.

16406368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 16406368 is about 4050.4775027150. The cubic root of 16406368 is about 254.0996983947.

It can be divided in two parts, 1640 and 6368, that added together give a palindrome (8008).

The spelling of 16406368 in words is "sixteen million, four hundred six thousand, three hundred sixty-eight".