616405053 has 16 divisors (see below), whose sum is σ = 899839296. Its totient is φ = 372224640.

The previous prime is 616405051. The next prime is 616405099. The reversal of 616405053 is 350504616.

It is not a de Polignac number, because 616405053 - 2¹ = 616405051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 616405053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616405051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24576 + ... + 42857.

It is an arithmetic number, because the mean of its divisors is an integer number (56239956).

Almost surely, 2^616405053 is an apocalyptic number.

It is an amenable number.

616405053 is a deficient number, since it is larger than the sum of its proper divisors (283434243).

616405053 is a wasteful number, since it uses less digits than its factorization.

616405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67724.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 616405053 is about 24827.5059762353. The cubic root of 616405053 is about 851.0506284194.

Adding to 616405053 its reverse (350504616), we get a palindrome (966909669).

The spelling of 616405053 in words is "six hundred sixteen million, four hundred five thousand, fifty-three".