616546050653 has 4 divisors (see below), whose sum is σ = 663972669948. Its totient is φ = 569119431360.

The previous prime is 616546050607. The next prime is 616546050689. The reversal of 616546050653 is 356050645616.

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 148523139769 + 468022910884 = 385387^2 + 684122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616546050653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616546050598 and 616546050607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616546052653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23713309628 + ... + 23713309653.

It is an arithmetic number, because the mean of its divisors is an integer number (165993167487).

Almost surely, 2^616546050653 is an apocalyptic number.

It is an amenable number.

616546050653 is a deficient number, since it is larger than the sum of its proper divisors (47426619295).

616546050653 is a wasteful number, since it uses less digits than its factorization.

616546050653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47426619294.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 616546050653 in words is "six hundred sixteen billion, five hundred forty-six million, fifty thousand, six hundred fifty-three".