616423368 has 128 divisors (see below), whose sum is σ = 1770854400. Its totient is φ = 178460480.

The previous prime is 616423363. The next prime is 616423369. The reversal of 616423368 is 863324616.

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

It is not an unprimeable number, because it can be changed into a prime (616423363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 734293 + ... + 735131.

It is an arithmetic number, because the mean of its divisors is an integer number (13834800).

Almost surely, 2^616423368 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 616423368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885427200).

616423368 is an abundant number, since it is smaller than the sum of its proper divisors (1154431032).

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

616423368 is a wasteful number, since it uses less digits than its factorization.

616423368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 878 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 616423368 is about 24827.8748184374. The cubic root of 616423368 is about 851.0590573131.

The spelling of 616423368 in words is "six hundred sixteen million, four hundred twenty-three thousand, three hundred sixty-eight".