616747616 has 24 divisors (see below), whose sum is σ = 1215023040. Its totient is φ = 308170368.

The previous prime is 616747613. The next prime is 616747633.

616747616 is nontrivially palindromic in base 10.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616747613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50810 + ... + 61766.

It is an arithmetic number, because the mean of its divisors is an integer number (50625960).

Almost surely, 2^616747616 is an apocalyptic number.

It is an amenable number.

616747616 is a deficient number, since it is larger than the sum of its proper divisors (598275424).

616747616 is a wasteful number, since it uses less digits than its factorization.

616747616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12726 (or 12718 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 616747616 is about 24834.4038784908. The cubic root of 616747616 is about 851.2082544614.

The spelling of 616747616 in words is "six hundred sixteen million, seven hundred forty-seven thousand, six hundred sixteen".