616166 has 8 divisors (see below), whose sum is σ = 929664. Its totient is φ = 306280.

The previous prime is 616157. The next prime is 616169. The reversal of 616166 is 661616.

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 (616169) 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, 425 + ... + 1188.

It is an arithmetic number, because the mean of its divisors is an integer number (116208).

2⁶¹⁶¹⁶⁶ is an apocalyptic number.

616166 is a deficient number, since it is larger than the sum of its proper divisors (313498).

616166 is a wasteful number, since it uses less digits than its factorization.

616166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806.

The product of its digits is 1296, while the sum is 26.

The square root of 616166 is about 784.9624194826. The cubic root of 616166 is about 85.0940596598.

The spelling of 616166 in words is "six hundred sixteen thousand, one hundred sixty-six".