616678 has 8 divisors (see below), whose sum is σ = 928368. Its totient is φ = 307224.

The previous prime is 616673. The next prime is 616703. The reversal of 616678 is 876616.

616678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616673) by changing a digit.

616678 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700 + ... + 1312.

It is an arithmetic number, because the mean of its divisors is an integer number (116046).

2⁶¹⁶⁶⁷⁸ is an apocalyptic number.

616678 is a deficient number, since it is larger than the sum of its proper divisors (311690).

616678 is a wasteful number, since it uses less digits than its factorization.

616678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118.

The product of its digits is 12096, while the sum is 34.

The square root of 616678 is about 785.2884820243. The cubic root of 616678 is about 85.1176226264.

The spelling of 616678 in words is "six hundred sixteen thousand, six hundred seventy-eight".