616464606053 has 4 divisors (see below), whose sum is σ = 633125811660. Its totient is φ = 599803400448.

The previous prime is 616464606031. The next prime is 616464606067. The reversal of 616464606053 is 350606464616.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 569652091009 + 46812515044 = 754753^2 + 216362^2 .

It is a cyclic number.

It is not a de Polignac number, because 616464606053 - 2¹⁴ = 616464589669 is a prime.

It is a super-2 number, since 2×616464606053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616464605989 and 616464606007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616464606083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8330602748 + ... + 8330602821.

It is an arithmetic number, because the mean of its divisors is an integer number (158281452915).

Almost surely, 2^616464606053 is an apocalyptic number.

It is an amenable number.

616464606053 is a deficient number, since it is larger than the sum of its proper divisors (16661205607).

616464606053 is a wasteful number, since it uses less digits than its factorization.

616464606053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16661205606.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 616464606053 in words is "six hundred sixteen billion, four hundred sixty-four million, six hundred six thousand, fifty-three".