616416 has 24 divisors (see below), whose sum is σ = 1618344. Its totient is φ = 205440.

The previous prime is 616411. The next prime is 616433. The reversal of 616416 is 614616.

616416 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 (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616411) by changing a digit.

616416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3115 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (67431).

2⁶¹⁶⁴¹⁶ is an apocalyptic number.

It is an amenable number.

616416 is an abundant number, since it is smaller than the sum of its proper divisors (1001928).

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

616416 is a wasteful number, since it uses less digits than its factorization.

616416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434 (or 6426 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 616416 is about 785.1216466255. The cubic root of 616416 is about 85.1055666447.

The spelling of 616416 in words is "six hundred sixteen thousand, four hundred sixteen".