616534554653 has 8 divisors (see below), whose sum is σ = 687159256320. Its totient is φ = 549727404480.

The previous prime is 616534554637. The next prime is 616534554677. The reversal of 616534554653 is 356455435616.

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 616534554653 - 2⁴ = 616534554637 is a prime.

It is a super-2 number, since 2×616534554653² (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 = 616534554595 and 616534554604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616534544653) 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 7 ways as a sum of consecutive naturals, for example, 954387533 + ... + 954388178.

It is an arithmetic number, because the mean of its divisors is an integer number (85894907040).

Almost surely, 2^616534554653 is an apocalyptic number.

It is an amenable number.

616534554653 is a deficient number, since it is larger than the sum of its proper divisors (70624701667).

616534554653 is a wasteful number, since it uses less digits than its factorization.

616534554653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908775747.

The product of its digits is 19440000, while the sum is 53.

The spelling of 616534554653 in words is "six hundred sixteen billion, five hundred thirty-four million, five hundred fifty-four thousand, six hundred fifty-three".