616606616 has 64 divisors (see below), whose sum is σ = 1222041600. Its totient is φ = 291312000.

The previous prime is 616606603. The next prime is 616606619.

616606616 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 616606616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616606619) 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, 2579825 + ... + 2580063.

It is an arithmetic number, because the mean of its divisors is an integer number (19094400).

Almost surely, 2^616606616 is an apocalyptic number.

It is an amenable number.

616606616 is a deficient number, since it is larger than the sum of its proper divisors (605434984).

616606616 is a wasteful number, since it uses less digits than its factorization.

616606616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 616606616 is about 24831.5649124255. The cubic root of 616606616 is about 851.1433821602.

The spelling of 616606616 in words is "six hundred sixteen million, six hundred six thousand, six hundred sixteen".