616489118 has 16 divisors (see below), whose sum is σ = 1057207680. Its totient is φ = 264117336.

The previous prime is 616489117. The next prime is 616489121. The reversal of 616489118 is 811984616.

It is a super-2 number, since 2×616489118² = 760117665224835848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616489117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47453 + ... + 59031.

It is an arithmetic number, because the mean of its divisors is an integer number (66075480).

Almost surely, 2^616489118 is an apocalyptic number.

616489118 is a deficient number, since it is larger than the sum of its proper divisors (440718562).

616489118 is a wasteful number, since it uses less digits than its factorization.

616489118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15391.

The product of its digits is 82944, while the sum is 44.

The square root of 616489118 is about 24829.1988996826. The cubic root of 616489118 is about 851.0893152746.

The spelling of 616489118 in words is "six hundred sixteen million, four hundred eighty-nine thousand, one hundred eighteen".