16213040 has 40 divisors (see below), whose sum is σ = 38622528. Its totient is φ = 6325760.

The previous prime is 16213039. The next prime is 16213051. The reversal of 16213040 is 4031261.

16213040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809 + ... + 5751.

Almost surely, 2^16213040 is an apocalyptic number.

16213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19311264).

16213040 is an abundant number, since it is smaller than the sum of its proper divisors (22409488).

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

16213040 is a wasteful number, since it uses less digits than its factorization.

16213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4991 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 16213040 is about 4026.5419406732. The cubic root of 16213040 is about 253.0976725058.

The spelling of 16213040 in words is "sixteen million, two hundred thirteen thousand, forty".