616144411 has 8 divisors (see below), whose sum is σ = 638251200. Its totient is φ = 594095040.

The previous prime is 616144391. The next prime is 616144421. The reversal of 616144411 is 114441616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616144411 - 2¹⁷ = 616013339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616144411.

It is not an unprimeable number, because it can be changed into a prime (616144421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8110 + ... + 36028.

It is an arithmetic number, because the mean of its divisors is an integer number (79781400).

Almost surely, 2^616144411 is an apocalyptic number.

616144411 is a deficient number, since it is larger than the sum of its proper divisors (22106789).

616144411 is a wasteful number, since it uses less digits than its factorization.

616144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28709.

The product of its digits is 2304, while the sum is 28.

The square root of 616144411 is about 24822.2563639972. The cubic root of 616144411 is about 850.9306581666.

The spelling of 616144411 in words is "six hundred sixteen million, one hundred forty-four thousand, four hundred eleven".